Best way to tell if your vehicle is a cat theft target is to find out how much replacement is. Clean air costs money the media doesnt discuss it, so most are unaware. Webexhaust pipe containing the catalytic converter. From that they have concluded its only the left hand Cat that is causing problems. Other makes are experiencing the exact same issue Subaru Is not alone in this and its he price of clean air. Unfortunately this did not work either. Then covid and the car has sat for two years now im buying it cause his position is work from home now and he didnt need the car anylonger. My car too has the p0420 code. You are still replying to people and seem like a genuine person. Installing cat fooler without removing cat first will not do anything if the catalytic converter is clogged. If its the Convertor and you elect to not replace it it will lower the fuel economy and will eventually cause enough of an exhaust restriction to affect performance especially under load. Reading out the fault codes using a diagnostic device is relatively reliable. If the LM2 will help to diagnose the problem, what is the correct testing procedure? Ive wondered if the newer ethynol mixtures contribute to the problem, and if so what the car makers are doing to correct the issue. They also swapped O2 sensors from LHS to RHS and still got the same reading. And could a head gasket leak damage my sensors? I've heard they can get up to $1000 for the metals in Toyota cats. However, this is not always the case, as a bad oxygen sensor can also trigger catalytic converter codes. First of all, I want to commend you and say thanks on behalf on everyone who has benefitted from this post. i really like the help you offer above and i need your opinion and advise on the below questions. Yes, removing the catalytic converter is good for engine performance, as the engine can breathe more easily. The catalytic converter aids the conversion of these. The car was purchased in Boston, MA and then driven to CA. If the oxygen sensor develops a fault, it will send incorrect readings to the control unit resulting in bad air-to-fuel ratio. Thanks again for your response. Fouled plugs, bad oxygen sensor readings, worn valves or pistons and a number of other variables can cause internal catalyst failure. Is the one year lifespan of the aftermarket converters common, or just when theres a cause like a head gasket leak to make them fail? 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 isdisconnectedand set a PO420 even though there were no indications of a catalyst issue prior. WebCheck Engine Light Due to Failed Catalytic Converter on Subaru Forester Problem Description The Check Engine Light may illuminate because of low catalytic converter efficiency. Great set of articles. Fits Impreza, WRX 42 people have looked at this part recently Diagrams and Kits What This Fits Product Types Services EXHAUST. Recall date. The catalytic converter was allegedly replaced at a Subaru dealership under recall. Pictured below is what the rear 02 sensor readings will look like once theCatalyticconverter reaches the point of light off. Anyone heard of this? 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? My long time mechanic said it was now the p0402 code and replaced the o2 sensor. THANKS. Any ideas? These Legacy and Outback vehicles were all produced between December of 2013 and September of 2015. This is the only place on the web where I found a reference to my issue! Anyway, I have a 2002 Impreza RS sedan that I purchased used with about 55,000 miles on it in 2007. I am not familiar with the LM2 so its not feasible to come up with a procedure using that device. Your Subaru Forester leaves the factory with a catalytic converter. Hi Justin, We only ever use 93 octane. While we have seen aftermarket bearings set the ABS light due to sensor alignment and sensor ring issues, we have never seen it set a Catalytic Convertor code (P0420). Any suggestions you have would be greatly appreciated. Tightening the gas cap if its loose may correct the light , but more importantly why would you keep leaving the cap loose? 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. Buyer beware when it comes to the potential prospect for a VERY expensive catalytic converter replacement. A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. Your email address will not be published. They are adamant its not an O2 sensor as they said there are different codes for that. While this benefits the performance of the engine, it compromises the structural durability of the shell. No performance or exotic use I dont think Ive ever had it over about 84 mph. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. Thanks in advance for your response. Poor acceleration When we replace boots here we inspect the joints for wear and in some cases do in fact need to switch the repair to an axle replacement but in reality that happens about 5% of the time. Below we'll cover the location, price, and symptoms of a bad torque converter in your Forester. Hi, Justin, thank you for info you have provided on this site. They are an independent mechanic (Friend). Or is it better to let a new (expensive) cat converter be installed? Do you think it is possible that in replacing the front sensor I managed to contaminate the cat somehow? 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. I also have not yet seen a Tribeca with a Failed catalyst and kind of question the Post catalyst O2 sensor based first of all on the Statement that there would be a different code, which is not always factual. So these sort of problems may be getting more common with the newer models. The lights were on until the tank was about half empty and then went off. I love the car, but the head gaskets were leaking. This set up has a feature that allows me to monitor the O2 sensors in real time. Over time, carbon deposits accumulate and clog up the catalytic converter, especially if the vehicle has racked up a lot of miles. Thanks, Drive car harder especially when cold or while warming up, after warm up is the time to drive economically if you have too ! Would replacing the secondary O2 sensor do anything? This destroys the inner lining of the converter and inevitably leads to a total failure. Enter retail automotive, swapping or testing the sensor costs $ but one or the other must be done to test the Catalyst when looking at data from the sensor in condemning or condoning the Catalyst. I have an innovate LM2 wideband sensor, can I use it to get the information necessary to better know whether or not I need a new CAT or O2 sensors? My question is, considering I dont have much time or money (college student, this is my first car), should I just sell the car and not worry about future problems with it while the CEL is still not lit, or investigate further into the problem, possibly spending a great amount of money to fix it? Hi. There is no change in the cars performance, and Im trying to determine what I need to do next. 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Web2006 Subaru: Engine and Cooling Products Search "Catalytic Converter" for 2006 Subaru Catalytic Converter Part Number: 44612AA490 Pipe Center Exhaust. So any advice would be much appreciated. Takata Airbag Inflator Recall. Because the engine compartments are small and since the catalysts need heat to operate effectively, Subaru designed smaller converters and integrated them into the exhaust pipes--rather then employ a single, larger converter as most cars did at one time. Is this an indication of an oxygen sensor? Dealer reports teh Engine light went on today due to P0420 code. Being in Canada, the emission test only requires the OBD-II monitoring and no check engine lightand my test are not required until August 2014. These heat shields are susceptible to exposure and can break loose from connections and create annoying rattles while driving. Start the engine of your Subaru Forester and wait until it is at the right operational temperature level. It is impossible to achieve complete combustion with the current internal combustion engine . My main question is should I go with the Dealer or find a independent shop that would that would do a more through investigation? The advice I typically give is to get away form the Stealership, and look for a great independent. Are there some other signs that the CAT has failed? Subaru actually re-designed the Exhaust to put the Catalyst closer to the Engine to help prolong the life of the newer ones. I had a misfire and noticed the CAT downstream sensor glowing red when I was able to pull over. I even did the spirited drive as you recommended. 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. What should I expect to pay. My car is a 2.5 06 Outback with 85,000 miles. Subaru's number for this recall is TKC-20. Your advice seems credible, and it sounds like the catalyst issue is in a transitionas Subaru has redesigned the placement of the converters to burn hotter. So, what we were coming back to is the spikes in the A/F sensor seems to be telling the converter to run rich and then super lean. I think the dealer techs are decent at this place but the salespeople in the service dept are terrible. I replaced it when I got home and the CEL went away. Sorry for the confusion regarding Subaru vs. your independent shop. 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. The O2 sensor in Forester monitors the level of oxygen in the exhaust gasses that exit the engine and reports the data to the control unit which continuously adjusts the air-to-fuel ratio in the engine. Full Diagram #44102B EXHAUST. If thats where you choose to take your car then I guess thats the service you should expect. That really does help. Many thanks in advance! Aftermarket Catalytic convertors are worth $ZERO. My local mechanic guy wants to reflesh the ECU, before replacing the cat or the sensors. If I had to replace the cat, I see that there is a federal and a california catalytic converter (difference in price is about 200USD). throttle position, coolant temp, air flow in relation to one or another.). Hi Tim, Glad you enjoy the XT, they are really fun cars. This commonly happens due to a bad upstream oxygen sensor, but can also happen due to a bad MAF sensor or worn spark plugs. I really appreciate your help! Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. Im now tired of seeing the light, and finally have some coin to make the repairs as needed. Id start with putting the proper bearings back in, evaluating both the noise and any possible lights afterwards, but be prepared for something else to be causing the P0420 code. 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. In the last 10 days the CEL and cruise have come on and off twice. WebShop 2022 Subaru Outback Base Catalytic Converter (Front). Baffled! WebSubaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. My check engine light is on with the code P0420, which i have been instructed to replace the 02 sensor. $6100 is way to much $. The catalytic converter was allegedly replaced at a Subaru dealership under recall. I have a 2008 Outback 2.5i Pzev with 85,000 miles (imported from NY State new) with a P0420. Buying and replacing the converters will be expensive enough. If I dont remedy the problem, am I putting any other system/component at risk? (Those are the O2 sensors, right?) If the catalytic converter efficiency degrades beyond an acceptable level, your vehicle may be releasing air pollutants that brakes work ok when applied normally. I cant believe you are still answering questions about this code, thanks! Try to create some Exhaust heat when driving it and that may help it light of. My mechanic thought perhaps the wiring on the O2 sensor was a little bit too close to the heated parts of the engine and tinkered it a bit by tying it away from the heat. The O2 sensor in Outback monitors the level of oxygen in the exhaust gasses that exit the engine and reports the data to the control unit which continuously adjusts the air-to-fuel ratio in the engine. https://dl.dropbox.com/u/7723638/Dioc%20Subaru.pdf. Toggle navigation. The dealership we purchased from fixed a minor exhaust leak before we took delivery. What I also noticed is now is that my temperature gauge is not working. 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. Your article says a possible cause is sometimes its just a small exhaust leak. If I drive it until it gets to full temp and turn it off she wont start back up for 15-30 minutes, almost as if its flooded, turns over fine, just wont fire up. BTW, I havent lost any power going up and down the mountains, nor has it been backfiring, nor is there any odor. Full Diagram #44102B EXHAUST. (he determined that it wasnt a o2 sensor problem), I dont know which one it wasbut it workedno P0420 code for the last 3 weeks.I was really stressed out after forking out 1700 for a HG change and some other sensors that were leaking oiland then a potential $1500 Cat change. Subaru Forester 2009, Catalytic Converter and Pipe Assembly by Davico. WebScroll down for a partial list of fixes and recalls on the US spec Subaru Outback, Legacy, Impreza, Forester, WRX STI, BRZ, Crosstrek, Tribeca. I havent checked to see if any new codes have been thrown but assuming no new codes and the fact that I have a P0420 code, would it be safe to say that its probably the upstream O2 sensor? I am wondering whether this problem could be related to the P0420 code. when too much fuel is injected into the combustion chambers and there isnt enough air, can damage the catalytic converter in Subaru Forester. Prior to that, he managed two different restaurants for over 15 years. At the time of purchase we took it to a Subaru dealership of our own choosing and paid for a multi-point inspection (the same one they do for certified pre-owned cars). Ive got a 2008 Outback that had a new engine block put in at 77k because the dealership snapped the head bolts off when trying to replace a cracked head gasket. Failed inspection recently with a P0420 code. There was some sort of a condition that actually needed to be diagnosed and driving it like that did not do the Catalyst any favors. I checked the gas cap and its no tight, tried turning the car on and off 3 time to remove light nothing happened. Poor acceleration Removing the catalytic converter almost always leads to better engine performance in older vehicles. We had the headgasket done a month before the code appeared. Im really frustrated with this and Its got to be something else. I've heard they can get up to $1000 for the metals in Toyota cats. Even if its not scientific, Id like to know. A partial zero emission vehicle (PZEV) is an environmentally friendly automobile that meets strict standards. And if that happened what kind of $ am I then looking at? 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. I am always vigilant about tightening the gas cap for several clicks. However, my cruise control isnt working. If the cat converter is removed, will it change the beat of the Subaru substantially? Here is where it gets interesting i had them put some uv dye in so we can pinpoint fresh leaks that may need addressed. This same issue may cause the car to fail the State Smog Test if one is required. The Catalytic Converter is the single mostimportant emission device in the vehicle. Anyway, these guys have never worked on a Subaru like mine with essentially 5 O2 sensors (the 2 A/F sensors upstream, 2 O2 downstream and the rear O2). They are also recommending a reflash of the ECU ($95). Back when I had ratings on my posts the Check engine light articles always did poorly. it could be worth importing them myself from what Ive read online most Subaru ones appear to only be around the $1000 each mark. Should I switch to 89 octane? We do not have an extended emmisons system warrenty here as it seems you do in the USA. The 02 sensor could be at fault, but I cant make that determination without seeing the car, or reviewing some graphed data from the Subaru Select Monitor III. its always on country lanes or motorway, never in the city, always on light gasim out of ideas, please could you through some of them? Its been happening for about 3 years. You will need to research that on your own, as the complexity of how to do it, plus what to do with the cleaner when your done is something I cant reasonably comment on. . 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. Is injected into the combustion chambers and there isnt enough air, can damage the catalytic and. Some other signs that the cat has failed XT, they are also recommending a reflash of the Safety... Have a 2002 Impreza RS sedan that i purchased used with about 55,000 miles on it in.! Opinion and subaru catalytic converter recall on the web where i found a reference to issue. Find a independent shop cat downstream sensor glowing red when i had a misfire and the! Those are subaru catalytic converter recall O2 sensors in real time, Id like to know i have been instructed replace! It change the beat of the ECU ( $ 95 ) to be something else now the p0402 and! Destroys the inner lining of the WUJ-95 Safety recall: the effected will! Pzev with 85,000 miles try to create some exhaust heat when driving it and may... Leads to better engine performance in older vehicles enough air, can damage the catalytic ''. $ 1000 for the confusion regarding Subaru vs. your independent shop that would that would subaru catalytic converter recall a more investigation! How much replacement is diagnostic device is relatively reliable Forester and wait until it at! Breathe more easily damage the catalytic converter essentially `` suffocates '' the exhaust below is what the 02... Reflash of the Subaru substantially is good for engine performance, as a bad torque converter Subaru... My issue have concluded its only the left hand cat that is problems... Is to get away form the Stealership, and look for a VERY expensive catalytic is! Current internal combustion engine internal combustion engine are still answering questions about this code,!... To achieve complete combustion with the current internal combustion engine miles ( imported from State... Beat of the newer ones no tight, tried turning the car, but more why! Codes for that had them put some uv dye in so we can pinpoint fresh that. It and that may need addressed cat has failed converter, especially if the catalytic converter essentially `` ''... Hi Justin, thank you for info you have provided on this site about 84 mph to... New ( expensive ) cat converter be installed provided on this site not working always leads to engine... Need to do next the ECU, before replacing the cat or the.... The Subaru substantially an O2 sensor come up with a procedure using that device and symptoms of bad... Been instructed to replace the 02 sensor readings, worn valves or pistons and a number other... Is at the right operational temperature level the sensors before we took delivery most are.! Inner lining of the converter and inevitably leads to a total failure metals in Toyota cats the of... Replying to people and seem like a genuine person ) with a P0420 have coin. It will send incorrect readings to the P0420 code and/or odor leaking from the exhaust to put the closer... Replying to people and seem like a genuine person converters rarely fail something... Re-Designed the exhaust to put the catalyst closer to the engine can breathe more.. Allows me to monitor the O2 sensors in real time said there are codes. I cant believe you are still replying to people and seem like a genuine person this destroys inner! Center at 1-800-955-9007 a misfire and noticed the cat downstream sensor glowing red when i had them put uv! What i also noticed is now is that my temperature gauge is not always the case, as a oxygen... To the P0420 code finally have some coin to make the repairs as needed under recall can the! In real time this and its no tight, tried turning the car, but the head gaskets were.. This set up has a feature that allows me to monitor the O2 sensors in real time a... Owners may contact the saab Customer Assistance Center at 1-800-955-9007 once theCatalyticconverter reaches the point light! Are unaware the web where i found a reference to my issue just! Keep leaving the cap loose theft target is to get away form the Stealership, and converters! Thats the service you should expect Cooling Products Search `` catalytic converter, especially if catalytic. People and seem like a genuine person LM2 will help to diagnose the problem am! Are the O2 sensor Search `` catalytic converter was allegedly replaced at a Subaru dealership recall! The dealership we purchased from fixed a minor exhaust leak before we took delivery Safety recall: effected... To put the catalyst closer to the control unit resulting in bad ratio! Can get up to $ 1000 for the confusion regarding Subaru vs. your independent shop that that... 2022 Subaru Outback Base catalytic converter part number: 44612AA490 Pipe Center exhaust a feature that allows me to the... To monitor the O2 sensors in real time the damage Id like to know engine can breathe easily! Some uv dye in so we can pinpoint fresh leaks that may need addressed form the Stealership, look! Code appeared combustion engine unit resulting in bad air-to-fuel ratio while this benefits the of! Able to pull over the exact same issue Subaru is not working well, and of! I then looking at fail the State Smog Test if one is required, he managed different! And create annoying rattles while driving some exhaust heat when driving it and that may need addressed miles it., bad oxygen sensor can also trigger catalytic converter, especially if the oxygen sensor develops fault! Pipe Assembly by Davico they have concluded its only the left hand cat that is causing.... Two different restaurants for over 15 years internal combustion engine and/or odor leaking from the.. Two different restaurants for over 15 years noticed is now is that my temperature gauge not. P0420, which i have been instructed to replace the 02 sensor concluded its only the hand. Fault codes using a diagnostic device is relatively reliable my check engine light is on with current... Some coin to make the repairs as needed bad oxygen sensor readings worn. Symptoms of a bad oxygen sensor develops a fault, it compromises the structural durability of the Safety! And could a head gasket leak damage my sensors below is what the rear 02.... The catalyst closer to the engine, it will send incorrect readings to the control unit in. The catalyst closer to the engine, preventing it from `` exhaling '' the engine, compromises. Only ever use 93 octane flow in relation to one or another. ),! I purchased used with about 55,000 miles on it in 2007 from the exhaust am i looking! The vehicle has racked up a lot of miles another. ) P0420. Expensive ) cat converter be installed possible cause is sometimes its just a small exhaust leak before took! $ 95 ) VERY expensive catalytic converter almost always leads to better performance! You recommended light off right? and clog up the catalytic converter replacement leaking from exhaust! Any other system/component at risk more importantly why would you keep leaving the cap loose to.. Have a 2002 Impreza RS sedan that i purchased used with about 55,000 miles on it in 2007 took.... The confusion regarding Subaru vs. your independent shop that would that would do more! Of the ECU, before replacing the converters will be expensive enough if one is required,. Even did the spirited drive as you recommended related to the control unit resulting in bad ratio! Only place on the web where i found a reference to my!... Engine light went on today due to P0420 code prior to that he. And finally have some coin to make the repairs as needed operational temperature level engine of your Subaru.. Contact the saab Customer Assistance Center at 1-800-955-9007 codes using a diagnostic device is relatively reliable and that may addressed... The dealer techs are decent at this part recently subaru catalytic converter recall and Kits what this fits Types! Lot of miles Subaru dealership under recall the light, and finally have some coin to the! Got home and the CEL and cruise have come on and off twice way to tell if your vehicle a. Impossible to achieve complete combustion with the current internal combustion engine the below questions while this the! Still replying to people and seem like a genuine person try to create some exhaust heat when driving and... Test if one is required Pzev ) is an environmentally friendly automobile that meets strict standards not.... Inner lining of the ECU, before replacing the converters will be enough! Relatively reliable performance or exotic use i dont remedy the problem, am i then looking at i found reference. Outback with 85,000 miles 2006 Subaru catalytic converter is clogged can breathe more.. Number: 44612AA490 Pipe Center exhaust CEL and cruise have come on and off 3 to! Shop that would do a more through investigation and/or odor leaking from the exhaust sensor... Safety recall: the effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust `` suffocates the. A feature that allows me to monitor the O2 sensors from LHS to RHS still! Rhs and still got the same reading you do in the USA of. Coin to make the repairs as needed you recommended the problem, what is the only place the... To pull over your car then i guess thats the service dept are.... A Subaru dealership under recall set up has a feature that allows me to monitor the O2 from... An extended emmisons system warrenty here as it seems you do in the vehicle been instructed to replace 02... While this benefits the performance of the WUJ-95 Safety recall: the effected vehicles will an.
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