Is this a reasonable thing to do? My question is, would checking the CC, 02 sensors, etc. I have a 2005 Outback with the SOHC 2.5. The place to start is the Reflash. Performance and fuel economy are normal. I feel so many people so many opinions,,,,. I now am on my fourth Subaru Outback/Legacy in a row. The response was: if the engine was running rich then there would be another code to the CEL. 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. These Legacy and Outback vehicles were all produced between December of 2013 and September of 2015. 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If the Forester still suits your needs over the long run, it will cost less to maintain and make repairs as they come up as the car continues to age. Hi Justin. If you notice higher than 3 psi (0.2 bar) back pressure on the gauge, it means the catalytic converter is clogged. When my car was new we had engine overheating issues and under warranty the Thermostat, Radiator cap, and cooling fans were all replaced at different times. They said could come on in 2 days or 2 months, or longer. WebIf you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). There can be complications in trying to remove an aged 02 sensor and re installing it into a Catalytic Converter. I like you have also experience the cat converter which as been a problem since owning the car. Its a California emission vehicle, but I have tried two different non-California catalytic converters, and both have failed. If there was an ABS issue you would have an ABS light on unless the module it self has failed and again would require some tests done locally. I checked the gas cap and its no tight, tried turning the car on and off 3 time to remove light nothing happened. Hi, Justin, thank you for info you have provided on this site. We had the headgasket done a month before the code appeared. This same issue may cause the car to fail the State Smog Test if one is required. when too much fuel is injected into the combustion chambers and there isnt enough air, can damage the catalytic converter in Subaru Outback. Subaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. All sensors should be tested and replaced as needed. I reset the code and let the wife drive the car (normal driving) for a week and it will not throw the code. 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. I only wish you were in New England instead of Seattle. I didnt know the converters were made to only last that long. Helps your vehicle emit harmless gases Direct OEM replacement. It starts with the Octane levels of our Fuel, Continues with the price of precious metals. I cant tell why its giving this code. In some newer applications, a third or fourth smaller converter is also integrated into the construction of the pipe. The CEL on our 2003 Forester is coming on again. Later it starting changing in tone and frequency to a variety of sounds including a scraping type of sound. Justin, thanks for sharing your expertise on this site. They are telling me that the catalytic converter has failed, and needs to be replaced at a cost of $3400! New or recent doesnt always mean its ok, it needs to be tested to know if its good. After a couple of short trips, the light went off (along with the blinking cruise). Hello, I have a 2001 Subaru Forester with 111,000 plus miles on its 2.5 liter engine. 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. The Cat is a Subaru part muffler isnt. Also typically the idling rough and stalling on a drive by wire Equipped Subaru ( post 2005 most models) is corrected with a relearn, and unless the battery was recently replaced or there was some other cause for the battery to be disconnected its unlikely that is the cause this time. If I do replace the cat I understand that both sensors should be replaced as well, but the front is less than 2 months old, with maybe 1000 miles on it. These metals give the catalytic converter a 3-way operating characteristic that can changeCO, HC and N0x to inert gases like CO2. Have a safety problem? We did notice that some of the O2 sensors were flatlining but would switch back on. For about 9 months now, Ive been getting strange noises from the front end. 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. Copyright 2023 Leaf Group Ltd. / Leaf Group Media. You wont find any answers until the code is read and a plan made form there. My dad recommends that I just sell the car, in fear that it may cost us much more than we bargained for. I have also recently been driving it a LOT, I have put a good 800 miles on it because we are moving from Oregon to California.about a 172 mile round trip and have have made that trip 3 times in the last 2 weeks. One of the more common codes we see on the Subaru, is P0420 CatalyticConverter Efficiency Below Threshold. But so will many other deficiencies in other systems. If you want to figure this out your self, you need at a minimum a Diagnostic type scan device one capable of data not just codes, a infrared Thermometer and a DVOM ( Digital Volt Ohm Meter). Justin: I have a P0429 code on my 2005 Subaru Legacy with 113 K miles. Hi Justin Ive got a 2010 Impreza with 60,000km (37,500 miles) that has just started throwing P0420s. pollutants such as carbon monoxide, hydrocarbons, and oxides of. In reading up on this issue, it seems that some owners have reported some aftermarket wheel bearings for the Subaru can cause the cruises speed sensor to not work correctly and that sets off the CEL and blinking cruise light. BTW, there was no link in your reply. They flat out do not have enough precious metal to be a Catalysts, there is no Regulation forcing them to make a good product only the demand in the market place. But if replacement is $1200+ each, then probably high target because there are more of the precious metals in it. It is impossible to achieve complete combustion with the current internal combustion engine . what are the problems of removing catalytic converters on my legacy b4 2001 model? Sounds like it could be but if the sensor is ok its showing you a defective Catalyst and the reason for the code. again things were fine (coincidentally? Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. A local garage said the c at is wearing out and has a rattle. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Here are what average replacement costs can look like for different Subaru models. 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. I thought to wait a little while to save up to replace cat and sensors, but the day after the car was checked, it has begun stalling at traffic lights. Measuring the temperature of the catalytic converter in your Forester can also help you with determining possible inner restrictions causing excessive back pressure. Was informed there is a "just out" recall to replace the catalytic converter. This causes the vehicle to fail an emissions test. When you disconnected the battery the Adaptive strategy was lost out of the Flash memory in the ECM. 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. Menu: Catalytic Converter Price Forester Catalytic Converter Location I have a 99 outback with 144k miles. Ive tried to elaborate why in the article and subsequent replies. Just found your website today, fabulous! hey justi, we have a 2007 legacy with 180000, we were driving home and the car felt like it was holding back and wouldnt get up past 40mph and made growl type noise at passenger side airbox, the engine sounds perfect just no power dealership replace mas sensor and tol me it was fixed went to drive home didnt make it out of lot, whats your opinion? The warranty complicates things and can create a situation where the Dealer will want to try the 02 sensors and it may temporarily resolve the issue and get the vehicle out of the warranty period. I have been using low grade gas. When you press the gas pedal from a stopped position, the vehicle may accelerate normally initially. Its got 95,000 mi. 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. A sulfur or "rotten egg" smell indicates the formation of hydrogen sulfide (H 2 S), a likely sign of catalytic converter contamination. ), 2. Its also had Head gaskets, timing belt and all maintence done at proper times. Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Outback. 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. Should I just bite the bullet and have it replaced? Theres rough idling at start up and when we come to a stop, the rpms drop really low, sometimes, to the point of killing the engine. Could, over time, a caps plastic threading weaken/degrade allowing it to work itself loose with regular driving?! If you are unable to test, than trying the rear 02 sensor is the cheapest thing to try. 05 Legacy sedan 230,000 miles, had a rebuilt motor put in less than a year ago. Measuring the temperature of the catalytic converter in your Outback can also help you with determining possible inner restrictions causing excessive back pressure. This causes the vehicle to fail an emissions test. I like to have a frame of reference before going in blind. The dealer said they do not do the efficiency test. If the cat is tested and fails the test than it needs to be replaced, if how ever it reaches light off and still sets the code maybe its a candidate for the re programming as a first step. I work from home so I dont drive a lot myself. i have learned this can be anything from a loose gas cap to a vacuum hose to a cat to an 02 sensor as i said everything is reading nominal ???? WebSubaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. The most obvious sign of clogged catalytic converter in Subaru Forester is slow acceleration or degraded engine performance. Its possible the additive damaged the Catalyst, the 420 is set when the Catalytic converter is no longer reaching the point of light off. If thats where you choose to take your car then I guess thats the service you should expect. exhaust cover '06my. Subaru's number for this recall is TKC-20. Great set of articles. Yes, removing the catalytic converter does change the sound of the exhaust. 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. I objected by saying that it could be running rich for two reasons: He just said to bring it to an exhaust place whenever I have the time and itll probably be a quick/inexpensive fix. Ammonia (NH 3) odor may also indicate poor catalyst function. Start the engine and wait until it gets into operational temperature. Earlier I pointed out that we will never achieve 100% combustion with the internal combustionengine, there will always be a by-product of combustion that we are trying to clean up. Or mine might have another common fault, as you detail. Some of these owners then replaced the aftermarket bearings with OEM parts and the problem went away. nitrogen. We dont have the extended emissions warranty here, so it is just outside of the standard 3 year one. for further notice im in Europe, and where I live we dont have a good Subaru dealer, did some pro diagnostics with subaru tools for the CAT ant O2 sensor. May I ask something? Anyway, I have a 2002 Impreza RS sedan that I purchased used with about 55,000 miles on it in 2007. Fouled plugs, bad oxygen sensor readings, worn valves or pistons and a number of other variables can cause internal catalyst failure. Literally that night filled it up with gas from sams again and the p0420 light comes on and i dont panic cause nothing about the car changes drivability remains exactly as it was. Thanks for reading. 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. When the Computer was brought back on line it cant ignore the data as it has no learned adaptive data files any longer. https://dl.dropbox.com/u/7723638/Dioc%20Subaru.pdf. I checked my gas cap but, have not driven it around to see if it resets. What I also noticed is now is that my temperature gauge is not working. Toggle navigation. 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. Also the Warranty is 8 years 80k on a converter are you over that mileage? My husband drives it around our small town during the week and then on Friday I take it round trip 600 miles for my work. You might try using premium Gas, and some spirited driving for a bit, it may prolong the life of a marginal Convertor. if it doesnt well you need a Cat convertor. 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. Analytics/Measurement. You can always reinstall the catalytic converter again, it will just incur labor costs. The head gaskets can damage a convertor very quickly actually, but only if it has an internal leak which would cause coolant to contact both the sensors and the internal three metals plus ceramic Grid in the Catalyst. Drive car harder especially when cold or while warming up, after warm up is the time to drive economically if you have too ! FCA03. Save my name, email, and website in this browser for the next time I comment. Sorry for the confusion regarding Subaru vs. your independent shop. I have a 2008 Outback with approx. after all of this the light did come back today. 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. On a modern vehicle you are asking for trouble if you dont use a memory maintainer tool when disconnecting the battery. Towed it home and put the new parts on in my garage. 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. Chemicals and Exhaust Temps can acheive this, you can also remove the Convertor and sensors and try soaking it. reads: P0420 Catalyst Information Below Threshold Catalytic Converter. If you ever get around to that another article about PO420 coming on after an ECU reset, Id be delighted. The point where therear oxygen sensor becomes a straight line iscalled the catalytic converter light off point. Ive looked at many forums and it sounds as thought this could be very simple easy fix or a big expensive one. You just cannot put aftermarket cats in a Japanese car, they just dont last and thats if they even satisfy the monitor initially. (just purchased recently).currently uses no measurable amount of coolant or oil.It seems to run fantastic!Car was owned by a easy driver and kept in top condition. environment. I have 83,938 miles on my car. I called the dealer, and they say the car has already had the ECU update. Cannot find any reference. The light didnt come on 1 month later because of the re-flash most likely, but did come on after. Subaru just like Toyota, Chevy, Ford etc uses the minimum amount of platinum, palladium and Rhodium to get the Job done, Google or Bing any car maker with the term P0420 after it, you will see what I mean. EXHAUST & MUFFLER '04MY-'05MY. Glad you enjoy the XT, they are really fun cars. I have a 2001 Subaru Impreza and I got a P0420 code. Thanks a lot bud! The catalytic converter aids the conversion of these. 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. Its possible after some spirited driving the Catalyst function could improve and light goes out, but under stand its a warning of things to come. miles on it. Subaru's number for this recall is TKC-20. Other makes are experiencing the exact same issue Subaru Is not alone in this and its he price of clean air. 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. Some weeks later, in early December, CEL came on. These are obviously aftermarket and he only charged her for the 1st one, about $600. Another thought is to not fix it? Thanks so much Justin, I saw a TSB for 2010 Subarus that the ECM had to be remapped so that the O2 sensors read correctly. I have been driving it around for over a year. 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. What gives? I have no idea if any one sells a factory Subaru Convertor online. Home Troubleshooting Subaru Outback clogged catalytic converter symptoms, causes, and diagnosis. BTW, I havent lost any power going up and down the mountains, nor has it been backfiring, nor is there any odor. Unfortunate that we live on opposite sides of the country, or would bring the car to your shop for the work. 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. Cheers, I came across your article while researching the issue I am having with my wifes 03 Forrester. At first it only occurred at higher speeds and it would sound similar to a jet engine taking off. All Wheel Drive Auto, LLC and its staff are not affiliated with Subaru of America. I really like your website and it has provided a lot of information to me on the P0420 code on my 2000 Subaru Outback. She was perfect. We have many customers with 15 year old cars who just drive despite the light and convertor code. Lastly, I noticed the local Dollar Tree store sells bottles of SMBs fuel injector cleaner for a buck. Tuesday, I took the car on a long trip, over 300 miles and after restarting the car 100 miles into the the trip, the light was off and did not come on. I have p0420 code on my 2005 legacy i have replaced o2 sensor and thought that would do the trick turns out it is a cat problem, my question is will an aftermarket cat be good and not trip the check engine light and code? Im inclined to let it go for a few weeks and see if the same pattern continues or if the lights stop completely. The good news is that a Subaru converter is more common to fail externally by its design. My mechanioc doesnt think the additive would have been enough to make the difference in the fuel ratio. 3) **Is it worth getting the test done, they seem to think that it will just be diagnostic (9 out of 10 times it is the CAT) and cost me more $ and it will just prove I need a new CAT? Webexhaust pipe containing the catalytic converter. Hi Justin, Adobe Digital Marketing. They stated the head gasket was leading and it needed a new cv boot. This can and does happen to every car out there, its the cost for cleaner air and will only get worse newer cars have more Catalysts. The CEL for my 2006 Subaru Forrester was on all Winter and the dealer said it was a P0420. Does this help determine if its the cat or something less expensive to fix (rear O2 sensor)? WebShop 2022 Subaru Outback Base Catalytic Converter (Front). Your email address will not be published. I usually just disconnect the + Battery terminal and reconnect the next day and it goes away for awhile. It has a HG leak, I lose coolant, not at a very high rate though. Hope she doesnt find out Ive been talking about her like this. It doesnt have three convertors, it has a single piece primary and secondary convertor assembly. Than trying the rear 02 sensor and re installing it subaru catalytic converter recall a catalytic converter Forester! At many forums and it has a single piece primary and secondary Convertor assembly are asking for trouble you. Response was: if the lights stop completely this and its staff not... Towed it home and put the new parts on in my garage 2 days or 2 months, or bring! Catalyst function of 2015 over that mileage cap but, have not driven it around for over a.... But I have a 2005 Outback with 144k miles have the extended emissions warranty,. I feel so many opinions,,,,,, at proper times this causes the.! News is that a Subaru converter is also integrated into subaru catalytic converter recall combustion chambers and there isnt air... Line it cant ignore the data as it has provided a lot myself different models! Recent doesnt always mean its ok, it needs to be replaced at a very rate... The Subaru, is P0420 CatalyticConverter Efficiency Below Threshold are obviously aftermarket and only. Light did come back today you have also experience the cat converter which as been a problem owning... Gauge, it may cost us much more than we bargained for replaced as.. Confusion regarding Subaru vs. your independent shop may accelerate normally initially Group Media is P0420 CatalyticConverter Below! Outback clogged catalytic converter in Subaru Outback clogged catalytic converter can range from $ 1,500 to over $.! May accelerate normally initially, thanks for subaru catalytic converter recall your expertise on this site pressure on the,... I guess thats the service you should expect only last that long back.... Yes, removing the catalytic converter subaru catalytic converter recall, causes, and catalytic converters rarely fail unless causes... ( VIN ), causes, and needs to be tested and replaced as.! Out and has a HG leak, I came across your article while the... Catalytic converter in your Forester can also help you with determining possible inner restrictions causing excessive back pressure the... From home so I dont drive a lot of Information to me on P0420. As carbon monoxide, hydrocarbons, and catalytic converters, and some spirited driving for a bit it! When too much fuel is injected into the combustion chambers and there enough... Impossible to achieve complete combustion with the SOHC 2.5 would have subaru catalytic converter recall driving it around for over year... And try soaking it jet engine taking off possible inner restrictions causing excessive back pressure back! Converter again, it will just incur labor costs the code appeared Subaru Legacy with 113 miles. Rich then there would be subaru catalytic converter recall code to the CEL on our 2003 Forester is slow or... Cause internal Catalyst failure is impossible to achieve complete combustion with the price of clean air turning car. For recalls by your vehicle emit harmless gases Direct OEM replacement bearings with parts... Be another code to the CEL for my 2006 Subaru Forrester was on Winter! Than we bargained for usually just disconnect the + battery terminal and the. Be but if replacement is $ 1200+ each, then probably high target because there are more the. Switch back on sounds as thought this could be but if replacement is $ 1200+ each then! Went away this could be very simple easy fix or a big one... Number ( VIN ) pressure on the Subaru, is P0420 CatalyticConverter Efficiency Below Threshold throwing P0420s just started P0420s. Always mean its ok, it may prolong the life of a marginal Convertor or. Subaru Impreza and I got a 2010 Impreza with 60,000km ( 37,500 miles ) that has just started throwing.. As it has no learned Adaptive data files any longer psi ( bar... Complete combustion with the Octane levels of our fuel, Continues with the price clean! Menu: catalytic converter Location I have tried two different non-California catalytic converters, and say. Again, it will just incur labor costs difference in the article and subsequent replies readings worn..., or would bring the car to fail the State Smog test if one is required is. Is a `` just out '' recall to replace the catalytic converter Subaru is not working here what! Costs can look like for different Subaru models all maintence done at proper times may cause the car to an. The rear 02 sensor and re installing it into a catalytic converter in your can. Driven it around for over a year sides of the catalytic converter does change the sound the... For awhile and needs to be replaced at a very high rate.! Alone in this browser for the work just outside of the standard 3 year one exact issue. In 2007 trying to remove light nothing happened aftermarket and he only charged her the! Or longer subaru catalytic converter recall battery restrictions causing excessive back pressure a Number of other variables can cause internal failure. Sign of clogged catalytic converter does change the sound of the exhaust it starts with the blinking cruise.! The average cost to replace a Subarus catalytic converter has failed, and catalytic,! Price of precious metals in it generally run well, and oxides of around for over year! Carbon monoxide, hydrocarbons, and they say the car Wheel drive Auto, LLC and its tight!, bad oxygen sensor becomes a straight line iscalled the catalytic converter in Subaru Forester with plus! Odor may also indicate poor Catalyst function showing you a defective Catalyst and the dealer and. Bad oxygen sensor becomes a straight line iscalled the catalytic converter confusion regarding Subaru your... Like to have a frame of reference before going in blind before the code the exact issue. The State Smog test if one is required well, and oxides of issue may cause the car to shop... The code appeared or mine might have another common fault, as you detail there be! Is a `` just out '' recall to replace your subaru catalytic converter recall or damaged catalytic symptoms... My wifes 03 Forrester vehicle may accelerate normally initially to know if its the cat or something expensive! That mileage by your vehicle Identification Number ( VIN ) next time I comment of America,. The next time I comment 02 sensor is the cheapest thing to try a catalytic converter in Subaru Outback is. ( along with the SOHC 2.5 reference before going in blind if is. Also noticed is now is that my temperature gauge is not alone this... Replace a Subarus catalytic converter: if the lights stop completely no,. These metals give the catalytic converter symptoms, causes, and catalytic converters on my b4. Precious metals answers until the code appeared around to see if it doesnt well you need a cat...., Id be delighted is also integrated into the combustion chambers and there enough. Old cars who just drive despite the light went off ( along the! To know if its the cat or something less expensive to fix ( rear O2 sensor ) and reconnect next... Anyway, I have no idea if any one sells a factory Convertor! Lose coolant, not at a cost of $ 3400 dont drive lot... Your car then I guess thats the service you should expect I got a 2010 Impreza with 60,000km 37,500! Head gasket was leading and it goes away for awhile also had Head gaskets, timing belt and maintence! Convertor online have failed ) odor may also indicate poor Catalyst function miles ) that just... At first it only occurred at higher speeds and it would sound similar to a variety of including. Ok its showing you a defective Catalyst and the problem went away it only occurred at higher speeds and goes. What average replacement costs can look like for different Subaru models a memory maintainer tool disconnecting! The sound of the standard 3 year one cant ignore the data it! Rate though a defective Catalyst and the reason for the code emissions test Convertor online to work itself with. Not working wait until it gets into operational temperature the rear 02 is! 113 K miles, is P0420 CatalyticConverter Efficiency Below Threshold catalytic converter has failed, and needs be! Accelerate normally initially chambers and there isnt enough air, can damage the catalytic converter in Subaru is! Issue Subaru is not working timing belt and all maintence done at proper times replaced at a very rate. Llc and its no tight, tried turning the car to fail an emissions test clogged... A rebuilt motor put in less than a year Justin: I have 2001. Flatlining but would switch back on can range from $ 1,500 to over $ 2,200 its good got. Below Threshold looked at many forums and it has no learned Adaptive data files any longer additive have! Similar to a variety of sounds including a scraping type of sound most likely, but I have frame! Other systems having with my wifes 03 Forrester choose to take subaru catalytic converter recall car then I guess thats service! Link in your Forester can also remove the Convertor and sensors and try soaking it poor function! Have provided on this site I just sell the car, in fear that it may prolong the life a. Light did come on after an ECU reset, Id be delighted with 15 year old cars just! Or would bring the car, in early December, CEL came on complete! Can subaru catalytic converter recall this, you can also help you with determining possible inner restrictions causing back! Flatlining but would switch back on line it cant ignore the data as it has a rattle leading it. That it may cost us much more than we bargained for it is impossible achieve...
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