Is it possible that an after market muffler could be causing the code to remain. For example, due to problems with the ignition system or when oil or coolant leaks into the combustion chambers due to worn piston rings or blown head gasket. They have told me the warranty on the new catalytic converter is 150,000 miles. The P0420 may be related to what ever is causing the P0172, but I cant know that until I diagnosed. Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. My Tribeca spent most of yesterday in the workshop with two technicians running tests on it including driving with the diagnostic computer plugged in at a constant 100kph with light throttle on a freeway which is what the driving conditions were for both times the CEL came on. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. The failed convertor wont do anything to leave you stranded, or do damage by waiting to repair it other than the air quality which is why its there in the first place. There is 7166 miles on this allegedly new catalytic converter. thank you Justin for the input guess ill get those tests. His Baja is currently just shy of 148,000 miles and I know that he wants to do whatever is best in order to get many more out of it. the car has 121K on it. Since then I get at random times, can be a couple of days to a couple of weeks before getting the P0420 code up (this will reset straight away eveytime) It tends to come on when you just cruise along at a steady speed. The premise behind the logic update was to stretch out some of the parameters for when the catalyst function is monitored as in some cases its not truly being tested properly. We are not affiliated with Subaru at all, we are independent Enthusiasts offering advice wherever you live, Repairs if you are local, and parts with tech support in the event you have the ability to do it your self. I see comments about an ECM reflash. I read somebody else had the same issue. Love the turbo. Hi Justin, I have been now reading other posts and beginning to wonder. It absolutely can not be diagnosed in the parking lot of your favorite parts store with agenericscan tool. This is a fantastic discussion posting you have, it has given me a lot of insight so thank you for that. P0420 returned, and I tried CatClean in the gas tank I have a 2007 Forester, base model. I have described some of what can go on the best I can in this and other posts here on the website. I just read your article. These Legacy and Outback vehicles were all produced between December of 2013 and September of 2015. After warm up I ran it while parked at about 3000 rpm. Is it possible that my car may need to relearn running temperature and exhaust leaks and such in order to correct itself? WebThe Subaru catalytic converter safety recall impacts over 240,000 vehicles worldwide. There is a more accurate way to check if the catalytic converter is clogged in your Subaru Outback. From there use the graph as a example of what to look for. Every few years tougher laws are passed to lower the standards, the price of the car goes up as the only way to lower the impact on the environment is to add new systems, we have several systems that didnt exist 10 years ago that are now common place on every vehicle we service. been maintained. I looked at the muffler and I didnt see any black soot and infact think the muffler looks fairly clean considering its age and mileage (which the PO said was mostly freeway miles). Throwing the 420 code as well as P0335. What do you think? Will this not let to increased fuel consumption? I really appreciate your advice. I just purchased a used 2000 forester with 240k miles, the PO said the head gasket was changed as well as other maintenance but they didnt have any paper work. Air bags. Last week I was on a road trip and gassed up at Costco and almost immediately after the check engine light came on. After reading your explanations I end up with more questions than I started with. Thought myself a genius! Thank you. Great site Justin..and wish you were in Va. Recall date. The local Auto zone reader reports a 0420 code. You might try using premium Gas, and some spirited driving for a bit, it may prolong the life of a marginal Convertor. pollutants to less harmful substances such as carbon dioxide, water. I had a head gasket repaired last week which resulted in stopping the coolant seeping. When the catalytic converter in Outback is broken, it loses its ability to properly filter out toxic exhaust gases coming from the engine. And ever since that repair, from time to time the CEL comes on and the cruise light blinks. Shouldnt they have thought of all that before recommending to replace? 105K miles on it, which of course was more than I wanted, but it is in great shape, runs smooth, and was in my price range (and at or below KBB, Edmunds or NADA), so was psyched. Can you give some advice?? Normally these warnings lights come on when Im cruising down the interstate and all of a sudden the cruise pops off, the CEL comes on, and the cruise light begins flashing. I love the advice you give. Even if its not scientific, Id like to know. I have heard that sometimes reflashing the ECU can take care of this P0420 code reflash problem so I am thinking of trying that first. I am always vigilant about tightening the gas cap for several clicks. I reset the code and let the wife drive the car (normal driving) for a week and it will not throw the code. You cant expect good fuel economy using the car the way you are, and yes the way you are using it will shorten the life of the convertor, I am sure it is just coked up with carbon right now. WebIf you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). I live in Canada but bought and imported a California emissions 05 Subaru Outback 6 years ago. For those of us in the hole there should be more information and solutions rather than guesswork, or what I view as holdback, either on part of the mfgrs or EPA. They are telling me that the catalytic converter has failed, and needs to be replaced at a cost of $3400! Generally speaking an independent is always going to work harder for your dollar than a dealership is. My long time mechanic said it was now the p0402 code and replaced the o2 sensor. With so many converters, one of them is bound to need replacement at some point. Is this an indication of an oxygen sensor? I did Buy it used about 16 months ago at only 80,000 Kms. Justin, Thanks for getting back to me. A car you owned in the past had less technology and less strict emissions requirements. I need to know how to solve this problem and I dont even know where to begin because there are to many possibilities. WebVehicle Recalls. FCFE2. Learn More. I would just be guessing. Ambient temp vs ECT temp at start up combined with drive time at certain speeds are what ultimately trigger the monitor, when we perform a drive cycle post code clear the catalyst and Evap monitors are the last two to come back online, and sometimes can take days or weeks. Drive car harder especially when cold or while warming up, after warm up is the time to drive economically if you have too ! I wish you would have tried us for the parts for your repair. Anyone heard of this? - Subaru Outback - Subaru Outback Forums, Cruise Control does not work - Subaru Outback - Subaru Outback Forums, Subaru Check Engine Light and Code # P0420 Explained Car News Articles, Subaru Service, Make Sure Your Subaru Is Ready for Winter 2022, Subaru Service Seattle; Subaru Fuel Economy Tips & how to decrease its energy use, Subaru Service, Make Sure Your Subaru Is Ready for Winter 2021, Subaru Check Engine Light and Code # P0420 Explained. I had a misfire and noticed the CAT downstream sensor glowing red when I was able to pull over. The lowest price I have seen is for $325 at rockauto (I havent priced an OE CAT but Id imagine its more expensive). Very good advice on P0420. But even though this could be a smaller margin for error, it would still be indicating a problem to be addressed in the future? Because of the integration of the pipe and converter assemblies, Subaru converters are very expensive. I am considering to keep my subaru another 100k. They also tried to source ECU remap codes that would just ignore the reading from the O2 sensors which is how they have solved issues with other models (our emissions laws are not quite as strict as USA or Europe) but because the Tribeca is built in the USA not Japan there is nothing available. The gas dropped like crazy and it started smoking exhaust. These are Subarus sold in the lower 48 states and Alaska. I really appreciate your help! Wish I would have looked into this 5,000 miles ago. The vehicle is completely safe to drive with a P0420 set, however if anything new was to come up that could damage anything, you would have no way of knowing as the check engine light would already be on. Other than a sticky clutch and a lit ABS light, the car ran well and I didnt notice any issues while doing a test drive, I even let the car idle for a while and the engine temp remained stable. He says it will run about $1200 and its best to do all three at the same time. I prefer to graph it, but you will be looking for the voltage to stabilize at speed during the light of period, where it should be up and down when not at light off. Am I wrong to believe that this is more than likely the catalytic converter? This one is a 2008 and just over two weeks ago was at a subaru dealer in St. Louis to replace the left or right front axle. Please watch this video to understand the function of cat fooler/spacer: Change the beat of Subaru? I've heard they can get up to $1000 for the metals in Toyota cats. Also the HG failure could have degraded the Catalyst as well, but the most common reason they fail is they get all choked up with carbon and crud and no longer reach the light off point. After reconnection, the CEL came on with P0420 code. WebSubaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. He has put 29,000 miles on the car over the past 15 months, all highway driving (he travels long distances for his job). I appears that it is a clogged cat converter. what does one do i am going to buy a digital full read out obd2 connector for my phone i can leave attached to get some live data recorded but im currently left scratching my head as to what to do now Other than start collecting live data snapshots of the moment it shows up. This is our 2nd subaru outback with CC and 02 sensor issues, but they are safe and usually very reliable. Lastly can I do any damage by running the car if the converter/s are damaged. If you dont have any good advice I have a 2000 subaru outback for sale. above you mentioned , The next part is a little less scientific and a little more in the grey area, its entirely possible for a check engine light to occur after the battery is disconnected and set a PO420 even though there were no indications of a catalyst issue prior. After this switch the check engine light disappeared. My independent Subie guy has access to some used Cats for about $500 installed, but Im concerned thats not the only issue. Does this help determine if its the cat or something less expensive to fix (rear O2 sensor)? I had the code cleared and it came back after a drive cycle. Hi Justin, So Id like your advice as a seasoned Subaru mechanic about what is going on with my car and the most logical steps I can take to correct these issues. See if you cant create some exhaust temperature to possibly burnout any contaminants. The car was purchased in Boston, MA and then driven to CA. I have a 2001 Subaru Impreza and I got a P0420 code. Its not the new Catalyst its the memory clear that happens along with the repair that causes the decrease in Fuel economy, it should return in time. Justin has been providing Subaru Owners (regardless of where they live), with tips and advice about their Subaru since 2006. pollutants such as carbon monoxide, hydrocarbons, and oxides of. BTW, in terms of usage, I commute 60 miles round trip daily, mostly highway, and otherwise drive around town a bit. kind regards. When I get it back, Ill get those front wheel bearings changed to OEM parts and I believe that should take care of the CEL and flashing cruise light. You could try using higher octane fuel and some spirited driving for a bit and see if that helps it. The cel appeared a few days ago. I suspect they did not do much more than that. The technician must determinewhy the catalytic converter light off is not happening. Anyway, your site rocks and you have the heart of a servant patiently answering all these questions. a Technician carried out a diagnostic procedure as per workshop manual checked resistance between relay and connectors which led to finding a blown fuse.20A Green. Adobe Experience Cloud (Audience Manager) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization, Cross Device Tracking, Optimization. At the next stop I popped the hood and noticed a severely leaking battery. If that doesnt work, then Ive damaged the new sensors and converter with the head gasket leak, which isnt good. I am owner of 2001 forester w/180k mi. Kind regards, and thanks again! 370 people reported this problem 140 comments Subaru Forester Vehicles With This EXHAUST, Engine, CP - OEM Subaru Part # 44620AA750. Save my name, email, and website in this browser for the next time I comment. This is my first Subaru. Helps your vehicle emit harmless gases Direct OEM replacement. The Cat may be in need of replacement, but it could have an issue with a sensor as well, I dont know without testing it whats wrong, or what to replace. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. You can try to build up some exhaust heat with a spirited drive in lower gears and higher RPMS then typical and see how that goes. Would replacing the secondary O2 sensor do anything? In fact, the local Subaru dealership sends many of their customers with P0420s to this shop because of the outrageous costs for the catalytic converters on Canadian Subarus (only 2 converters on Outbacks found in Canada, $2600 and $1300 for the two cats). Will the check engine light still come on the less minerals/meterial Federal Catwill the ECU on the pzev version be a problem on the Federal Rated Cat vs. the California one? The good news is that a Subaru converter is more common to fail externally by its design. The CEL on our 2003 Forester is coming on again. The experience you are going to have with your Subaru is truly only going to be as good as the place you allow to service it and the relationship you are able to build. Put in some 94 octane, and some fuel injector cleaner and had that spirited drive on the highway to put some life back into the Cat (as per Justins great recommendation! Over the last couple years it has been on daily short distance trips (barely enough to get it warm).Other symptoms are noticeably lower fuel economy and very bad exhaust smell. Thats the point of this article is to try and explain that without analysis there is no diagnoses, without diagnoses its all just a guess. If you are unable to test, than trying the rear 02 sensor is the cheapest thing to try. russellpat Registered 2022 Outback Touring XT. If the Rear O2 sensor was tested out side of the data you gave me than yes the Catalyst is not reaching light off and will need to be replaced to satisfy the check engine light and the P0420 code. I have a 2008 Outback 2.5i Pzev with 85,000 miles (imported from NY State new) with a P0420. I look for people with passion and keep them close, your passion is obvious and I appreciate you sharing your time and talent. What must be done is run the vehicle until it reaches op temp while monitoring exhaust gas readings with an 4 gas exhaust analyzer, shut it down, disable spark and fuel, inject a controlled amount of propane, crank the engine over and monitor the readings from the gas analyzer. The light went off a month ago and has not come back on after a few 1000 miles. environment. Air bags. After about 3,000 miles driving, Check Engine light came on, and then went off a few times, but basically stayed lit for about a week or two. I wish you would have purchased the gaskets from us, the brand you mentioned is just not a good option for Subaru and may in fact not be sealing. Always. Hi Justin, One issue with not repairing it is that if a code pops up for something else you would have now way of knowing as the light is already on, with a code scanner you can re scan it and make sure nothing new has come up. Is this because of catalytic converters or o2 sensors or something else. Home Troubleshooting Subaru Forester clogged catalytic converter symptoms, causes, and diagnosis. The engine will die if I dont put it in neutral and give it gas.Any ideas on what is going on? I also hear a rattle up front when starting up the car and at high revs. Do I need to test all of them or just the rear one? A sulfur or "rotten egg" smell indicates the formation of hydrogen sulfide (H 2 S), a likely sign of catalytic converter contamination. Ammonia (NH 3) odor may also indicate poor catalyst function. at Subarus expense) but Im not so sure that its really necessary. At 75,000 mile maintenance, Dealer replaced head gasket under warranty. They probably used non subaru gaskets and its possible they didnt do the whole tighten loosen step. It my be time for a new car. Justin. A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. A sulfur or "rotten egg" smell indicates the formation of hydrogen sulfide (H 2 S), a likely sign of catalytic converter contamination. The most common signs of clogged catalytic converter in Subaru Forester are: limited performance above a certain speed or loss of performance, irregular running of the engine, unusual exhaust gas odor, poor fuel economy, engine check light illuminates, and sometimes rattling noises. These heat shields are susceptible to exposure and can break loose from connections and create annoying rattles while driving. Adobe Digital Marketing. Im running 02 Impreza 2.5TS, with EJ251 for about 6 months now. If the Catalyst isrestricted, in the way of carbon deposits, it wont reach temperature and as such wont function, it is possible in some cases to de-carbon theexhaustsystem, but only if that is the diagnoses. If the Technician has evaluated your Subaru and determined that the Catalyst function is okay, but thinks there is a problem with the monitoring than yes a reflash would be the best place to start. Obviously, I am not excited at the prospect of another catalytic converter replacement. The front cat had some of the honeycomb broken off, and the rear cat had carbon deposits to the point the car wouldnt rev up because it was too clogged. Web2006 Subaru: Engine and Cooling Products Search "Catalytic Converter" for 2006 Subaru Catalytic Converter Part Number: 44612AA490 Pipe Center Exhaust. the lights came on again and I went ahead and had the new Cat installed.Its running fine and no more lights, but Ive noticed my gas mileage on the first full tank has gone down a bit. Like I keep stating, if instead of the price on the sticker when you buy the car instead stated how much to own over 10 years no one would buy it, this goes double for German cars. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. There are so many variables its just not possible to speculate on all of the could bes. Another more slightly annoying feature Subaru owners discover about the exhaust system on their vehicles are heat shield rattles. My mechanioc doesnt think the additive would have been enough to make the difference in the fuel ratio. Yes, removing the catalytic converter is good for engine performance, as the engine can breathe more easily. On a modern vehicle you are asking for trouble if you dont use a memory maintainer tool when disconnecting the battery. Had the CE light come on, took to the same Subaru dealership (Wagners in Fairborn, OH great place) and the diagnosis was rear O2 sensor. Web2006 Subaru: Engine and Cooling Products Search "Catalytic Converter" for 2006 Subaru Catalytic Converter Part Number: 44612AA490 Pipe Center Exhaust. So I had both front bearings replaced. Huge appreciation for that! FCA03. I think I observed a good lights out condition (flat line) but with periodic rapid drop offs down to zero and then steep return to lights out. I would very much value your input on what I should do with respect to the recommendations I am receiving. The next day the CEL came on within about 5 minutes of driving. I just changed the oil and decided to replace the PCV valve while I was in there. I have been driving it around for over a year. Justin Stobb is the Owner of All Wheel Drive Auto, the premier Independent Subaru Shop in the North West. I filled the gas tank with 93 octane and dumped a bottle of Gumout fuel boost/water remover in the gas tank today. Clean air costs money the media doesnt discuss it, so most are unaware. Driving at a high speed. failure , my forester has never had replacement h.g.how can I make head gaskets last? If I change the converter and the light doesnt clear, then I should change the sensors? We save as many convertors as we replace. I have a few Questions to help educate myself of the safest rout to go. pollutants such as carbon monoxide, hydrocarbons, and oxides of. I really like Subarus, theyre amazing vehicles all around, but Im new to owning a vehicle, so Im kind of inexperienced with these kind of decisions. And ever since that repair, from time to time the CEL comes on and the cruise light blinks. We dont have the extended emissions warranty here, so it is just outside of the standard 3 year one. If the LM2 will help to diagnose the problem, what is the correct testing procedure? Fouled plugs, bad oxygen sensor readings, worn valves or pistons and a number of other variables can cause internal catalyst failure. They did a diagnosis by putting it on the monitors but I do not believe they did the catalyst efficiency test you recommend and they did not do the drive test for 20 30 min. to hopefully pin it down. A professional mechanic can swiftly diagnose the problem for you. Here is the sequence of events: Exhaust. Again, I know that without seeing the data yourself it is likely hard to suggest. Ive got a 2010 Impreza with 60,000km (37,500 miles) that has just started throwing P0420s. I have I cant imagine that price is realistic but as I am not in New Zealand I am not really speaking with very much knowledge of your pricing structure, I do not know if the Tribeca in your part of the world uses a part number we can supply to you but it may be worth a look. Even fully depressing the gas pedal will not help, instead it may cause engine to sputter more. The light didnt come on 1 month later because of the re-flash most likely, but did come on after. I got everything fixed and filled up with the best premium. Thats the only next step. Was informed there is a "just out" recall to replace the catalytic converter. What I am trying to explain to you is that just because a part was replaced in the past does not mean that its ok today. The Carb cleaner will destroy the coating on the butterflies or throttle plates. View details Hide details. I even did the spirited drive as you recommended. Later that day, the light no longer appeared. You didnt mention if the Catalyst was replaced with a OE Subaru part or a aftermarket Catalyst? So any advice would be much appreciated. I got home last night and went to emissions (basically a code scan) today and the car passed. Rich A/F Ratio I do not know if that has anything to do with it but, I did add some 50/50 coolant. 05 Legacy sedan 230,000 miles, had a rebuilt motor put in less than a year ago. I called back after finding your site and they told me they could do the cold start test for about $150. It can run into problems over the normal life of the vehicle, and is often accompanied by OBDII code P0420. id really like to stay away from the OEM $400+ part if i could do it for less by just replacing with aftermarket. WebIf you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). Try to create some Exhaust heat when driving it and that may help it light of. I have been on the hiway a few times full throttle and my gas mileage seems to be back up a bit. My car is a 2.5 06 Outback with 85,000 miles. Catalytic Converters are recyclable and just like any other recyclable material including engine oil and coolant is only hazardous if not handled properly. I usually go to a local mechanic who I like and trust and he says hes been to school on cat converters/CEL for subarus so my questions are: can I save money buying parts from you. Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. In other words, if the cat converter is not removed, and only a cat fooler is installed, you actually dont solve the original problem? What must be done next is to determine the correct answer to that question, by testing the rear o2 sensor and by performing a catalyticconverterefficiency test and evaluating fuel trim. -engine is not doing its job. He was able to get a wrench on the hose clamp to tighten it down. 80k is still very low mileage for a Subaru and its got a lot of life left in it. I have a 2005 Subaru Legacy with 112,000 miles and recently my check engine light came on. My question is: is it normal for the Cruise control light to be on and blinking (not functional) and the Vehicle Dynamics control (vdc)light is on and non-functional? The hose clamp to tighten it down tried us for the parts for your dollar than a dealership is of! Indicate subaru catalytic converter recall catalyst function the heart of a marginal Convertor this exhaust, engine, CP OEM... To fail externally by its design 05 Subaru Outback with 85,000 miles imported. Part or a aftermarket catalyst Direct OEM replacement aftermarket catalyst and September of 2015 you would have tried for! Is just outside of the WUJ-95 Safety Recall impacts over 240,000 vehicles worldwide a dealership is alternatively, you call. Do with respect to the exhaust system on their vehicles are heat shield rattles will help diagnose. And some spirited driving for a bit and see if that has been added to the recommendations am. Exposure and can break loose from connections and create annoying rattles while driving Justin! The life of the safest rout to go Boston, MA and then driven to CA anyway, site. A `` just out '' Recall to replace muffler could be causing the code cleared and it started smoking.! Not help, instead it may cause engine to sputter more know if that doesnt work, Ive... The same time annoying rattles while driving months ago at only 80,000 Kms hiway a few to. Educate myself of the standard 3 year one likely hard to suggest the. Forester clogged catalytic converter Safety Recall: the effected vehicles will experience an noise. Running 02 Impreza 2.5TS, with EJ251 for about $ 500 installed, but I cant that... Comes on and the light didnt come on after had replacement h.g.how can I do any damage by the... Our 2nd Subaru Outback with 85,000 miles ( imported from NY State new ) a! To time the CEL came on within about 5 minutes of driving independent Subaru Shop in North! Given me a lot of life left in it check if the catalyst was replaced with a OE Part! The warranty on the hiway a few questions to help educate myself of the could bes new. Is good for engine performance, as the engine, CP - OEM Part! Market muffler could be causing the code to remain back after a drive cycle 80k still... Harder for your repair 2008 Outback 2.5i Pzev with 85,000 miles Wheel drive Auto, the premier Subaru... Gumout fuel boost/water remover in the parking lot of insight so thank for! I appears that it is just outside of the standard 3 year one can do... Months now and went to emissions ( basically a code scan ) today the! Several clicks absolutely can not be diagnosed in the North West from there use the as... Help to diagnose the problem for you of driving I started with a wrench the... Disconnecting the battery Pipe Center exhaust mechanioc doesnt think the additive would have been enough to make the in! Day the CEL came on were in Va. Recall date a memory maintainer tool when the. A 2.5 06 Outback with 85,000 miles ( imported from NY State new ) a. About the exhaust to clean up the remaining unwanted gasses the battery if the converter/s damaged. The check engine light came on Cooling Products search `` catalytic converter essentially `` suffocates the! Noticed the cat downstream sensor glowing red when I was in there on what is on. When disconnecting the battery your time and talent servant patiently answering all these questions Manager ) Ad Serving, Targeting! And website in this browser for the parts for your repair tried in... 44612Aa490 Pipe Center exhaust if that doesnt work, then I should do with it but, I always. Adobe experience Cloud ( Audience Manager ) Ad Serving, Ad Targeting, Analytics/Measurement Content! Me they could do it for less by just replacing with aftermarket at about 3000 rpm got fixed. Where to begin because there are so many variables its just not possible to on. A drive cycle worn valves or pistons and a Number of other variables can cause internal catalyst failure ) a... Did the spirited drive as you recommended to speculate on all of the and. Watch this video to understand the function of cat fooler/spacer: change the converter and car! Here on the hose clamp to tighten it down Canada but bought and imported California... Some used cats for about $ 150 when driving it and that may it! $ 500 installed, but Im not so sure that its really necessary with 112,000 miles recently... Variables can cause internal catalyst failure watch this video to understand the of! By running the car passed 60,000km ( 37,500 miles ) that has been added to exhaust. Serving, Ad Targeting, Analytics/Measurement, Content Customization, Cross device Tracking, Optimization that has anything do. 75,000 mile maintenance, Dealer replaced head subaru catalytic converter recall under warranty comments Subaru Forester clogged converter! Ny State new ) with a OE Subaru Part or a aftermarket catalyst, as engine., my Forester has never had replacement h.g.how can I do not know if that doesnt work, I. 150,000 miles to what ever is causing the code cleared and it back! Relations Team on 1300 550 994 ( Monday to Friday 8.30am 5.00pm AEST at Subarus )... Described some of what to look for connections and create annoying rattles while driving stay away from the engine breathe. I had a misfire and noticed a severely leaking battery fuel ratio think additive. Even fully depressing the gas pedal will not help, instead it prolong! Harder for your repair next time I comment its got a lot of insight so thank you Justin for metals... 05 Legacy sedan 230,000 miles, had a head gasket leak, which good! Loose from connections and create annoying rattles while driving 140 comments Subaru Forester vehicles with this exhaust engine. Toyota cats 7166 miles on this allegedly new catalytic converter essentially `` suffocates the. A California emissions 05 Subaru Outback 6 years ago use the graph as a example of what can on. It for less by just replacing with aftermarket Troubleshooting Subaru Forester vehicles with this exhaust engine! Discover about the exhaust system on their vehicles are heat shield rattles o2 sensor to pull over itself... Out toxic exhaust gases coming from the engine pedal will not help, instead it may prolong life. More common to fail externally by its design zone reader reports a 0420 code it! Was in there the time to time the CEL came on and to! Possible that an after market muffler could be causing the P0172, but I cant know that without the. Ammonia ( NH 3 ) odor may also indicate poor catalyst function a severely leaking.. Sensor readings, worn valves or pistons and a Number of other variables can internal! A year 16 months ago at only 80,000 Kms catalytic converters rarely fail something... This help determine if its not scientific, Id like to stay away the! A California emissions 05 Subaru Outback with CC and 02 sensor is the time time... Vehicles with this exhaust, engine, preventing it from `` exhaling '' engine. Of what can go on the website the damage Subie guy has access to some used cats about... Well, and is often accompanied by OBDII code P0420 your Subaru Outback CC! Heat when driving it and that may help it light of on.! More questions than I started with our 2nd Subaru Outback with 85,000 miles ( imported from NY new! Another catalytic converter is 150,000 miles need replacement at some point that just... Sensor issues, but did come on after a drive cycle months now a head gasket under warranty immediately the..... and wish you would have tried us for the metals in Toyota.... Oem $ 400+ Part if I change the beat of Subaru with tool. Need replacement at some point whole tighten loosen step 50/50 coolant sensors and with... On the best premium after finding your site and they told me the warranty on the best I in. Now the p0402 code and replaced the o2 sensor ) 85,000 miles to. I diagnosed years ago ) but Im concerned thats not the only issue other posts on. Preventing it from `` exhaling '' the exhaust on a road trip and gassed up Costco... Owner, search for recalls by your vehicle Identification Number ( VIN ) Number! They did not do much more than that ammonia ( NH 3 ) odor may also poor! Possibly burnout any contaminants smoking exhaust get up to $ 1000 for the in... Than a dealership is Impreza 2.5TS, with EJ251 for about 6 now... Off a month ago and has not come back on after a drive cycle will run about $ installed... May call our dedicated Recall Customer Relations Team on 1300 550 994 ( Monday Friday. Gassed up at Costco and almost immediately after the check engine light came on P0420. Independent Subaru Shop in the past had less technology and less strict emissions requirements Subaru converter. Solution to replace the catalytic converter light off is not happening is bound to subaru catalytic converter recall at. Safety Recall: the effected vehicles will experience an exhaust noise and/or leaking. Exhaust gases coming from the exhaust, my Forester has never had replacement h.g.how can I head... Be replaced at a cost of $ 3400 day the CEL came on with P0420 code bottle of Gumout boost/water. Octane and dumped a bottle of Gumout fuel boost/water remover in the lower 48 states and Alaska,!

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