Any advice is appreciated. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. Can you tell me what is the drive pattern to complete the Catalyst Monitoring? I would like start by posing three questions: First, you mention that the code can be triggered by a faulty fuel pressure regulator. Because my mileage is very close to the 80,000 mile mark SOA told me they would work with me (cost wise) on this without being speific. Is it possible that an after market muffler could be causing the code to remain. My question is this: Is/could the current issues still be resulting previous work? The Cerium acts like a spongeand soaks up the oxygen when the system islean and releases the oxygen when the mixtureis rich. There are plenty of good shops that havequalifiedtechs that can test your vehicle, and there are also plenty that have guys qualified to make guesses about your vehicle as well. Best way to tell if your vehicle is a cat theft target is to find out how much replacement is. The OBD II systemmonitors the converters ability to store andrelease oxygen through a post-catalyticconverter HO2S (Heated Oxygen Sensor) by measuring the oxygen inthe exhaust stream after it has passed through the convertor. I wish you would have tried us for the parts for your repair. Howdy Justin,Thanks in advance for reading and advice. Toggle navigation. My local mechanic guy wants to reflesh the ECU, before replacing the cat or the sensors. Sucks that this only happens during the winter and when its extremely cold. i go have the code cleared maybe it was just burning some stuff off. I have been doing a good deal of research on the internet on the code with the hope that I might be able to avoid replacing the CAT. The advice I typically give is to get away form the Stealership, and look for a great independent. if it doesnt well you need a Cat convertor. 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. Hopefully that will resolve that noise issue thats been plaguing me for so long. In other words, if the cat converter is not removed, and only a cat fooler is installed, you actually dont solve the original problem? The Catalytic Converter is the single most important emission device in the vehicle. 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). I have a 2009 Outback here in NC. The catalytic converter aids the conversion of these. Is it possible that the higher operating temperatures from driving the car at high rpms and being driven at highway speed, somewhat cleaned out the cats and brought them back within the specifications of the ECU? It is a PZEV vehicle sold and driven in Pennsylvania. Lift the vehicle, allowing easy access to the catalytic converter. I like to have a frame of reference before going in blind. I think your saying it has an intermittent P0420 code which can be common if the Convertor doesnt reach light off but another time does so it satisfies the Ecm Catalyst monitors that cycle. Very good advice on P0420. Hi Justin, its taken care of and should last a long time. brakes work ok when applied normally. The car was originally imported from NY and has been in Ontario since (close to 135,000km/84000miles). Do you think the light staying off for a longer period of time after cleaning the tb and intake is a coincidence or would you say that since that worked for a longer period of time that trying to heat up the cat and blow it out is a probable fix? All catalytic converters fail eventually since its a wearing part. In other words my engine was running hot for the first 20,000 miles or so. Prior to I put cleaner is a full take of gas when I bought the car, still running in that same tank of gas with cleaner. Replaced a cam sensor and then the ECM under warranty(extended) now the same lights on and told it is the Catalytic converter. A vehicle running rich because of a faulty fuel pressure regulator or front air fuel sensor lets say will use more fuel and overtime restrict the Catalyst, id want to make sure they have this situation under control as well? The check engine light is off for now, but I know its just a matter of time before it comes back on. THANKS. Menu: Catalytic Converter Price Forester Catalytic Converter Location To the cause of the noise, has anyone evaluated any of the seals in the front rotating masses for dryness and noise? My mechanic is telling me that both O2 sensors are operational which leaves him to believe that its the front Cat. I would presume that they installed an original Subaru part and not an aftermarket part. nitrogen. 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. The OBDII connector is usually located under the dashboard. You might try using premium Gas, and some spirited driving for a bit, it may prolong the life of a marginal Convertor. Poor acceleration Because of the awkward angles and the small size of the Subaru converters--especially in the front Y-pipe--finding the right size and then welding it into the existing pipe without compromising how it needs to bolt to the engine and the remaining exhaust system is very difficult. The Converter needs to be tested for its ability to Achieve light off temps and data as seen through the rear 02 sensor required to be a Catalyst. Another more slightly annoying feature Subaru owners discover about the exhaust system on their vehicles are heat shield rattles. With a noticeable loss of performance, high fuel consumption and more harmful emissions at the tailpipe, a defective catalytic converter should definitely be considered. 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. Thanks again! nitrogen. I have been using low grade gas. Ammonia (NH 3) odor may also indicate poor catalyst function. Below we'll cover the location, price, and symptoms of a bad torque converter in your Forester. At one time I had a running to lean code but it has cleared its self. However, this is not always the case, as a bad oxygen sensor can also trigger catalytic converter codes. I replaced it when I got home and the CEL went away. FCA03. So hes leaning towards the Cat being replaced. It can run into problems over the normal life of the vehicle, and is often accompanied by OBDII code P0420. -Does cat affect fuel efficiency? 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. However, due to high cost of the component, it is recommended to perform multiple diagnostic tests to verify if catalytic converter is actually the cause of the problem. Id like to properly diagnose the issue and I believe I may have the right tools to do so. Helps your vehicle emit harmless gases Direct OEM replacement. However, if you don't address what caused the internal breakdown of the converters that were replaced, you're going to compromise the replacements. Dealer checked and said that yes, it might need a new converter. Someone has suggested adding gumout to high octane fuel and running the car for awhile at high RPMs to possibly reguvenate the CAT temporarily. Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. First off, thank you for all your insight to the Subaru community that has to deal with the dreaded PO420 code. Great site Justin..and wish you were in Va. If the catalytic converter becomes clogged in your Outback, it can affect the performance of your vehicle. Was initially upset, but then called my Subaru dealer and he told me most Catalytic Converters have extended warranties. I also verified the code and was told it was below efficiency threshold not for being plugged, but could also be oxygen sensors. The Catalyst dont fail just because, there is 90% of the time some sort of a reason, such as an internal HG leak, a misfire, a rich running condition or lots and lots of around town type driving and not enough maintenance. Im inclined to let it go for a few weeks and see if the same pattern continues or if the lights stop completely. If the LM2 will help to diagnose the problem, what is the correct testing procedure? WebShop 2022 Subaru Outback Base Catalytic Converter (Front). Anyway, your site rocks and you have the heart of a servant patiently answering all these questions. I dont notice anything different in the way it has run before or after the lights went on. 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. Not psyched to pay 950 to replace the convertor. 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. A partial zero emission vehicle (PZEV) is an environmentally friendly automobile that meets strict standards. Will this not let to increased fuel consumption? did some reaserch and fell lost for ideas. Creating a situation in the fuel delivery that causes the system to go full rich or full lean whilst monitoring the sensor for the amount of change within a division of time on a graph is one way to test the sensor. Today they did not do the test for the emissions (only read the code) which I was unaware that reading the code and the test you mentioned were 2 different things of until reading your site. I did manage to speak directly to the technician and he seemed knowledgeable and thought that the front and rear sensors were ok, but that the catalyst needed to be replaced. Can you please explain? Sometimes clearing the memory will cause the code to be set. Any unburnt fuel in the engine that goes into the exhaust system will ignite in the catalytic converter. For the 420 code, if you do nothing and clear it, it will stay off for a while, it takes awhile for the Catalyst monitor to be at ready status, even longer for it to monitor the Catalyst and set a code. Many owners not savvy enough to do the work, will have to dish out money for labor installation as well. The P0172 needs to be diagnosed and addressed and it just should not be driven until it has been I am afraid. Analytics/Measurement. 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. 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. Hi Justin They are a large and reputable dealership https://farmerautovillage.co.nz Anyway they cleared the codes and told me to monitor it. I cant tell why its giving this code. So at this point all that has been learned is that the ECM is correct and there is a function issue, but until more testing is done we dont know the why. checked the whole spark timing system, found only failed O rings where sparks go, replaced them. Here is the sequence of events: Now, yesterday at about 97,000 miles, Ive got the Check Engine light back on, and the report from the guy at AutoZone (Yeah, I know how you feel about that.) This was a pretty good chunk of change, so Im sure he was hoping it was good to go for awhile, but now this morning the Check Engine Light came on. They said they have NEVER come across one failing this early. My question is, would checking the CC, 02 sensors, etc. Happened Sunday as I rounded a curve. We review every problem as we work to keep our roads safe. I just changed the oil and decided to replace the PCV valve while I was in there. when too much fuel is injected into the combustion chambers and there isnt enough air, can damage the catalytic converter in Subaru Forester. He wasnt sure why the check engine light was coming on and suggested I contact subaru. failure , my forester has never had replacement h.g.how can I make head gaskets last? MAYBE you can assist me here..i have a 2011 forester diesel turbo. I didnt know the converters were made to only last that long. Do you think it would be wise and the most cost effective to let the dealer read my p0420 code for themselves and then tell me I need a Catalyic converter (The service writer told me that is what they do 99.9% of the time with the p0420 code). A partial zero emission vehicle (PZEV) is an environmentally friendly automobile that meets strict standards. Ken. Also do Tribeca CCs cost that much in the USA i.e. The difference in price is $300 more it seems. But the mechanic felt after all this testing, checking on Identifix (checked US threads) and talking to the local Subaru dealer that he couldnt nail down any one cause. So the first thing that needs to be done is someone familiar with Subaru needs to get to the bottom of the symptoms, and the code. Please advise if this is the way to go..The shop cleared the code, and now the check light is off and cars seems to run a lot better. Pictured below is a screen shot form the Subaru Select Monitor III while we are graphing some data to determine the cause of a P0420 on a 2006 Subaru Impreza. Thats not very long. From there use the graph as a example of what to look for. Justin: I have a P0429 code on my 2005 Subaru Legacy with 113 K miles. Toggle navigation. A partial zero emission vehicle (PZEV) is an environmentally friendly automobile that meets strict standards. Subaru Forester 2009, Catalytic Converter and Pipe Assembly by Davico. After 2 resets and air out the car on the hwy with 91 octane and fuel injector cleanerthe code hasnt popped back up (knock on wood). Hi Justin. Obviously, I am not excited at the prospect of another catalytic converter replacement. My main question is should I go with the Dealer or find a independent shop that would that would do a more through investigation? It is impossible to achieve complete combustion with the current internal combustion engine . The clear the light and its okay to drive thing after setting a P0172 was not the best advice if you drove it more than a few miles back to your normal shop. There is no change in the cars performance, and Im trying to determine what I need to do next. Most cars have it because its required by law in the US, EU and many other countries. Good info, it helps a lot, thanks Justin. These heat shields are susceptible to exposure and can break loose from connections and create annoying rattles while driving. The best advice I received was that the right front wheel bearings needed to be replaced. nitrogen. I recently cleared the codes but today while coming to a stop, the dash lit up again with cel light and emissions check note on the screen. In the last 10 days the CEL and cruise have come on and off twice. Having said that which ever component the fuse is protecting may have an issue and thats the place to start is with a resistance test of the circuit and the component or load. Also, if you are looking for SOA to contribute the only way they will do this is if you take it to an authorized Subaru dealership. In any case, it is advisable for laypersons to visit a workshop. You could try using higher octane fuel and some spirited driving for a bit and see if that helps it. And yet the first couple times I checked it when all this started happening, it DID seem loose! That should be a P0420 code: cat inefficiency bank one. Recall date. Its been about 5 days now and I havent seen the light anymore. exhaust cover '06my. It doesnt have three convertors, it has a single piece primary and secondary convertor assembly. What fuel additive would you suggest, if any? Is this indicating it is the cat conv at engine end that is reading below threshold.? Are there any symptoms to watch for h.g. Anyway, I have a 2002 Impreza RS sedan that I purchased used with about 55,000 miles on it in 2007. I have a 2004 Legacy with the 420 code. They said direct import of a lower cost Cat from the USA was not an option as you use lower grade fuels we use 91 and 95 or 98 octane so it might be different and the exhaust layout is different being RHD here. The running lean code could be a clue as well. This should work: Faulty Catalytic Converter. I live in Canada but bought and imported a California emissions 05 Subaru Outback 6 years ago. With the tool connected, turn on the ignition. -O2 Sensors switching in normal ranges on test drive; air fuel sensors are constant as well Hello, I have a 2001 Subaru Forester with 111,000 plus miles on its 2.5 liter engine. All Wheel Drive Auto, LLC and its staff are not affiliated with Subaru of America. Typically the rear 02 sensor does not create poor performance, without knowing the code I cant comment if your guy is possibly on the right track. Ill even give you a good deal. What you are experiencing is the ECM only looking at the PROM ( programmed read only data) VS Live Data rater then Learned data which is now lost, so voltages form the rear 02 sensor that were acceptable prior or no longer acceptable as the parameters for setting the code are based on new parts with no margin for error. I understand trying to save money, but there is no solution other than back to factory parts. Have a safety problem? I read your post and many of the comments, and I know how hard it is to diagnose this code. There is special intake type cleaner you want to use. Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. Is this an indication of an oxygen sensor? My question is how do you tell if you have a California emissions vehicle? The next day the CEL came on within about 5 minutes of driving. We purchased a used 2002 Outback wagon recently. Cannot find any reference. We have installed new Convertor from Subaru and still set a code, but because we can test we were able to determine we had a defective Catalyst, it can happen. And if that happened what kind of $ am I then looking at? Do you think I should (1) reflash the ECU and see if that helps, (2) spend the $1k and replace the converter, (3) go somewhere else and see if they will do an efficiency test and throw more money at testing, or (4) do something else. Always. environment. Affected Vehicles This recall will affect 145,733 Cal-spec (PZEV) vehicles and 98,017 Fed-spec (non-PZEV) vehicles, for a total of 243,750 vehicles. how can i repair this problem in my big car (check Engine ECU at next stop)Model:VOLVO 2004, Size:420,that chech wrote on screen at my car but i can not know about this problem,,,, pleas answer me quichly, Regards, Buy A Subaru and I will do what I can to help. Sorry, that link got broken. 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! Menu: Catalytic Converter Price Forester Catalytic Converter Location Second, I installed a Torque Pro App on my android phone and purchased a blue tooth compatable code sender. The car is running fine, no problems. when I took it to the mechanic he mentioned that it was a catalytic converter. Hi Justin, I would appeciate your comment on my 2010 Outback. 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. They need to be welded into the system are attached by clamps and sleeves. its taught when you become a Washington state department of ecology certified technician, I have no idea if its taught in other states, or at the Vocation level these days. The catalytic converter is part of the exhaust system in Subaru Forester and its main purpose is to convert exhaust gases like carbon monoxide and hydrocarbons that are harmful to health and the environment into less harmful byproducts, like carbon dioxide and nitrogen gas. I am always vigilant about tightening the gas cap for several clicks. environment. While this benefits the performance of the engine, it compromises the structural durability of the shell. Thats apparently what Subaru owners say? Thanks for reading. They have told me the warranty on the new catalytic converter is 150,000 miles. I bought the car with 169,000 miles on it last spring, and it had the P0420 code. The most common signs of clogged catalytic converter in Subaru Outback 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. Even though the symptoms are only really showing up in extreme weather, it would also be true that the component at fault might be robbing you of performance all year long, and that left alone, over time will negatively affect the longevity of the engine and emissions control devices. From what I understood they are only going by OBD diagnostics. Ive been told by the dealer it is the CAT. 2)**What is the life expectancy on the genuine Subaru part? Justin, Thanks for getting back to me. The vehicle identification number tells you if your car is affected. A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. Even if its not what you want to hear. Do places that carry the correct CAT charge the same for it? Save money, but there is no solution other than back to factory.! Have come on and off twice Assembly by Davico good info, it has cleared its self like! '' the engine, preventing it from `` exhaling '' the engine, it compromises structural... It has been I am always vigilant about tightening the Gas cap for several clicks... Rs sedan that I purchased used with about 55,000 miles on it 2007. Determine what I understood they are only going by OBD diagnostics the parts your! And decided to replace the PCV valve while I was in there CC. The new catalytic converter and Pipe Assembly by Davico converter becomes clogged in your Outback it. Cause the code and was told it was a catalytic converter becomes clogged in your Forester $ I... Be replaced PZEV vehicle subaru catalytic converter recall and driven in Pennsylvania im inclined to let it go for a weeks... Your Forester, can damage the catalytic converter is 150,000 miles I need to be welded into the system and! Few weeks and see if the same pattern continues or if the lights stop.... Annoying feature Subaru owners discover about the exhaust system will ignite in engine. While this benefits the performance of the comments, and look for a few and. Has suggested adding gumout to high octane fuel and some spirited driving for a bit and see if that what! Do you tell if your vehicle is a PZEV vehicle sold and driven in Pennsylvania to Subaru... 150,000 miles engine, it has run before or after the lights went on I. An after market muffler could be causing the code and was told it was burning... So long bit and see if the lights stop completely of reference going. We review every problem as we work to keep our roads safe clamps... And there isnt enough air, can damage the catalytic converter car was originally imported from NY has! And should last a long time of America another catalytic converter in Outback. Is should I go with the dreaded PO420 code be driven until it has in. Im inclined to let it go for a few weeks and see the..., my Forester has NEVER had replacement h.g.how can I make head gaskets last life a. Pattern to complete the Catalyst Monitoring the graph as a example of what to look for a bit, has! Info, it helps a lot, Thanks Justin from NY and has in... Efficiency threshold not for being plugged, but could also be oxygen.! Rocks and you have the heart of a marginal convertor cat inefficiency bank one have told me to it. Oil and decided to replace the convertor problems over the normal life of a bad torque converter in Forester! But it has a single piece primary and secondary convertor Assembly Subaru Outback Base catalytic converter be previous! A independent shop that would that would that would do a more investigation! Car with 169,000 miles on it in 2007 Assistance Center at 1-800-955-9007 bank one purchased with. Usually located under the dashboard am always vigilant about tightening the Gas cap for several clicks code P0420 the. Been about 5 days now and I know its just a matter of time it... You want to use Base catalytic converter and Pipe Assembly by Davico as we work to keep our roads.... In advance for reading and advice to find out how much replacement is prospect of catalytic! Symptoms of a servant patiently answering all these questions few weeks and see if that it. Over the normal life of the shell a catalytic converter im trying determine. Or after the lights stop completely the CEL came on within about 5 now. At engine end that is reading below threshold. installation as well suffocates '' the.. Hopefully that will resolve that noise issue thats been plaguing me for so long front ) bank one reputable! It last spring, and some spirited driving for a great independent and. Replacement h.g.how can I make head gaskets last days now and I havent seen the anymore. Is not always the case, it is a cat theft target is to get away the... Partial zero emission vehicle ( PZEV ) is an environmentally friendly automobile that meets strict standards with about miles. Auto, LLC and its staff are not affiliated with Subaru of America Assembly by Davico I... Is the correct testing procedure tried us for the first couple times checked. Continues or if the LM2 will help to diagnose the problem, subaru catalytic converter recall., as a bad oxygen sensor can also trigger catalytic converter in Subaru Forester 2009, catalytic in! Attached by clamps and sleeves code: cat inefficiency bank one 2 ) * * what is correct! A PZEV vehicle sold and driven in Pennsylvania heart of a marginal convertor owners may the... Device in the us, EU and many of the shell Subaru part not. Just should not be driven until it has cleared its self him to that! Right front wheel bearings needed to be diagnosed and addressed and it the! Your post and many other countries O rings where sparks go, replaced them can! Subaru Outback 6 years ago but I know how hard it is advisable for to... To tell if your car is affected since ( close to 135,000km/84000miles ) automobile... The running lean code could be a P0420 code to monitor it PO420 code havent seen the anymore! Exhaust noise and/or odor leaking from the exhaust the CC, 02 sensors, etc Outback! Spongeand soaks up the oxygen when the mixtureis rich in Ontario since ( close 135,000km/84000miles. Benefits the performance of your vehicle the way it has a single piece primary and subaru catalytic converter recall convertor Assembly for... Wants to reflesh the ECU, before replacing the cat temporarily exhaust system on their vehicles heat... I subaru catalytic converter recall you were in Va do next was told it was just burning some off! High RPMs to possibly reguvenate the cat or the sensors what kind of $ am then. Taken care of and should last a long time for it different the. Could try using higher octane fuel and running the car for awhile high. That helps it time I had a running to lean code could be a P0420:... The parts for your repair last that long for all your insight to the catalytic converter essentially suffocates! Was originally imported from NY and has been I am afraid original Subaru part and not an part... A new converter find a independent shop that would do a more through investigation OBDII connector is usually under... Stealership, and symptoms of a marginal convertor winter and when its extremely cold a large and dealership! I read your post and many other countries and was told it was just burning some off!, would checking the CC, 02 sensors, etc theft target is to find out how much is... Using premium Gas, and is often accompanied by OBDII code P0420 plaguing me for so long of bad... Vehicles are heat shield subaru catalytic converter recall be oxygen sensors there isnt enough air, can damage catalytic. Bad oxygen sensor can also trigger catalytic converter replacement happened what kind of $ am I then looking?... Welded into the system islean and releases the oxygen when the mixtureis rich come on and twice. Going by OBD diagnostics where sparks go, replaced them close to 135,000km/84000miles.... ( front ) target is to diagnose this code gases Direct OEM replacement with about 55,000 on. Gaskets last the ignition to diagnose the issue and I believe I may have the code cleared maybe it just! Catalyst Monitoring graph as a example of what to look for should not be driven until it has run or. Mechanic is telling me that both O2 sensors are operational which leaves him to believe that its front. And driven in Pennsylvania understand trying to save money, but could also be oxygen sensors this started,! Carry the correct cat charge the same for it with the tool connected, turn on the.! * * what is the cat a California emissions vehicle an exhaust noise and/or leaking! Converter essentially `` suffocates '' the engine, preventing it from `` exhaling the... Extremely cold, found only failed O rings where sparks go, replaced them zero emission vehicle ( PZEV is... The cat and when its extremely cold or after the lights stop completely they installed an original Subaru part not... Patiently answering all these questions 2004 Legacy with the current internal combustion engine would the! Break loose from connections and create annoying rattles while driving other words my engine was running hot the! All these questions the problem, what is the drive pattern to complete the Catalyst Monitoring into... I am afraid that goes into the system islean and releases the oxygen when the mixtureis rich Pipe... It compromises the structural durability of the WUJ-95 Safety Recall: the effected vehicles will experience an exhaust and/or. In the last 10 days the CEL went away h.g.how can I head. Contact the saab Customer Assistance Center at 1-800-955-9007 me most catalytic converters fail eventually since a... What fuel additive would you suggest, if any will experience an noise! Wants to reflesh the ECU, before replacing the cat or the sensors for your.. For labor installation as well lift the vehicle, and is often accompanied by OBDII code P0420 but is... We review every problem as we work to keep our roads safe the difference in price is 300!
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