This destroys the inner lining of the converter and inevitably leads to a total failure. Closed Public Holidays) or email at feedback@subaru.com.au. pollutants such as carbon monoxide, hydrocarbons, and oxides of. 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? They probably used non subaru gaskets and its possible they didnt do the whole tighten loosen step. 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. Im inclined to let it go for a few weeks and see if the same pattern continues or if the lights stop completely. Report a problem with your vehicle, tires, car seats or other equipment. All catalytic converters fail eventually since its a wearing part. When I test with an OBD reader, I get the P0420 code. Learn about our recall process. Larry. Menu: Catalytic Converter Price Forester Catalytic Converter Location it could be worth importing them myself from what Ive read online most Subaru ones appear to only be around the $1000 each mark. Dealer checked and said that yes, it might need a new converter. Lastly, I noticed the local Dollar Tree store sells bottles of SMBs fuel injector cleaner for a buck. A convertor analysis could take an hour to perform but months to perfect. Price for sensor & labor $400.00. Unfortunately, now the check engine light is coming on, and is saying that the catalytic converter is not operating correctly. when I took it to the mechanic he mentioned that it was a catalytic converter. 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. Again, I know that without seeing the data yourself it is likely hard to suggest. Any thoughts you have would be a huge help. I had the check light come on. Someone really needs to look at the Data and figure it out, is really what needs to happen. Analytics/Measurement. My 08 Outback has 90,000 miles, so conveniently out of warranty. Now the repaire man did the diagnostic and said I need a to replace the rear coe sensor and everything will be okay..Car when driving seems sluglish to me even though I dont dirve it often. What do you think of this?? 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. They need to be welded into the system are attached by clamps and sleeves. Justin: I have a P0429 code on my 2005 Subaru Legacy with 113 K miles. Is that accurate and if it is a new ECM should I ask if it has been calibrated? The CEL on our 2003 Forester is coming on again. I really appreciate your advice. Converter etc. If your Subaru Outback has racked up over 100,000 miles and you see noticeable loss of performance with high fuel consumption, a defective catalytic converter should definitely be considered. 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. After this switch the check engine light disappeared. Thanks for your very informative article. After reading many other posts, Im not convinced that this is the problem and are being raped by the dealerlol. 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. I reset the code and let the wife drive the car (normal driving) for a week and it will not throw the code. I drove home which is about an hour drive and the car didnt feel or sound any different. Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. 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. 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. Its also had Head gaskets, timing belt and all maintence done at proper times. Subaru Forester 2009, Catalytic Converter and Pipe Assembly by Davico. The 420 code and how it is running will have no correlation 99.9% of the time. Here is a link to a basic code scanner you should consider purchasing if you want to be involved in some of the aspects of your car needs, any one with a 1996 and newer vehicle should own one. A fuel mixture that is too rich, i.e. so you think just go for a test will the cat light ofF? The best advice I received was that the right front wheel bearings needed to be replaced. I am interested to see whether my cat reaches a lights out condition. If you see any fault code from P0420 to P0424 or from P0430 to P0434 in the OBD2 scanner, it indicates a problem with the catalytic converter. 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). I cleared the code and started the car, it ran for a few seconds and then stalled. I bought a 98 Subaru Legacy GT station wagon in Nov 2012. Ammonia (NH 3) odor may also indicate poor catalyst function. Could engine overheating cause a Catalyic Converter to fail prematurely? As much as I dont ever like to defend the Dealership, a common occurrence is for the check engine light to come on post HG repairs with a P0420 set. Does this mean I have a lazy sensor that is going bad and a likely cause of p0420 code? The only purpose of the catalytic converter is to reduce emissions, its just an expensive filter for exhaust gases. With age and mileage, Im trying to fix this cheaply. Not psyched to pay 950 to replace the convertor. exhaust cover '06my. Ill stay away from the additive I used and hope its back to normal now. Removing the catalytic converter almost always leads to better engine performance in older vehicles. WebVehicle Recalls. Driving up Mount Rainier was not an option here for me, but running up and down some local hills in 3rd gear and about 4800 sustained RPMs (plus the 93 octane and the Gumout gas treatment) cleared the CEL in short order. You make an interesting point, its the cost for cleaner air and will only get worse newer cars have more Catalysts. This is certainly going to affect my thinking when it comes to possibly purchasing a used car in the future. If you cant all I can say is what you are experiencing gets worse the newer the car as the number of systems aimed at keeping the internal combustion engine clean go up every few years. May that be the problem? He wasnt certain that this would fix the problem and warned us that we might need to replace the fuel pressure regulator, but suggested that we monitor the car for fuel leaks and bring it back to him if we smelled anymore fuel. I dont notice anything different in the way it has run before or after the lights went on. I dont want to put over $1,000 into a $2,500 car. Diagnosis by the local dealer P0420. FCFE2. Thats what happens when I post after my bedtime! Installing cat fooler without removing cat first will not do anything if the catalytic converter is clogged. In UK use BP Ultimate Unleaded fuel 97 Octane , see BP Fuels UK website for reasons as keeps catalyst clean !. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. I bought a fel-pro head gakest kit and changed all the gaskets on the way in as well. These are Subarus sold in the lower 48 states and Alaska. There can be complications in trying to remove an aged 02 sensor and re installing it into a Catalytic Converter. What I also noticed is now is that my temperature gauge is not working. 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. 80k is still very low mileage for a Subaru and its got a lot of life left in it. Tim. I have had good results with previous auto injector carbon problems, is there a better product for cat cleaning to use along with running it hard? For about 9 months now, Ive been getting strange noises from the front end. There is no more external oil or coolant leaks at the head anymore. Argument was it is winter gas blend and just a coincidence. What do you think is causing these sounds from the front end? Please watch this video to understand the function of cat fooler/spacer: Change the beat of Subaru? So I think these lights are coming on because of something wrong the speed sensing controls rather than something wrong with the engine or emissions systems. Rant over. Notify me of follow-up comments by email. might it cause premature head gasket failure? 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 ???? FCA03. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. I see comments about an ECM reflash. They are an independent mechanic (Friend). Hi Justin, 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. The 2000 outback has 107k and is running very well so I hope to keep it for a long time. 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. 85,000 miles. I have an 01 Sub Legacy. 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. I had a misfire and noticed the CAT downstream sensor glowing red when I was able to pull over. CEL popping on/off last while. Justin Stobb is the Owner of All Wheel Drive Auto, the premier Independent Subaru Shop in the North West. The Cats have to be of the same design to work and be considered compliant. Any unburnt fuel in the engine that goes into the exhaust system will ignite in the catalytic converter. 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 Subaru Catalytic Converter Location COIA Contents [ hide] I really like your website and it has provided a lot of information to me on the P0420 code on my 2000 Subaru Outback. Cat fooler is only installed after removing the catalytic converter. They are adamant its not an O2 sensor as they said there are different codes for that. 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. Thank You. The Cat is a Subaru part muffler isnt. An infrared thermometer can be used for this test. Measure the temperature at the inlet and the outlet of the catalytic converter using an infrared thermometer, and compare the readings. I have her note book of every repair and maintenence item recorded with all the receipts. You can try replacing sensors and go from there, which sounds like the most logical place to start as the market place does not allow for a true scientific prove it type diagnoses. when too much fuel is injected into the combustion chambers and there isnt enough air, can damage the catalytic converter in Subaru Outback. This site is one of the most useful ones Ive come across regarding the PO420 code, so thanks for that. Here is where it gets interesting i had them put some uv dye in so we can pinpoint fresh leaks that may need addressed. exhaust cover '06my. If I am understanding your previous commentary, clearing the P0051 code (via reconnecting the battery) after replacing the front O2 sensor could have erased the values for the system and instead created a smaller acceptable interval, right? checked the injectors and fuel presure they are fine. Suffering the same problem with the P0420 code. But so will many other deficiencies in other systems. In order for the conversion towork efficiently it needs lots of oxygen. You should be aware of a Subaru recall on head gaskets: recall # wwp99. If you notice higher than 3 psi (0.2 bar) back pressure on the gauge, it means the catalytic converter is clogged. 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. So ran beautifully for a week after driving it 4hrs from Atl back to southern Al. Can you please explain? I got my oil change at a shop in late February and mechanic that did it said its not too serious considering the car was smogged in Nov12 and turned the light off. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. Well, the light came on again maybe in mid January. Sorry, that link got broken. I wish we had Turbo Diesel Foresters here, but we just dont however. 2020-01-02. Is a turbo timer really necessary for the same vehicle? The car is now on its 5th cat. But after reaching a certain speed, the performance of the engine will drop due to blockage of increasing exhaust gases in the system. When the catalytic converter in Outback is broken, it loses its ability to properly filter out toxic exhaust gases coming from the engine. Quick question for you, been dealing with an on again off again P0420 code for about 5 months. 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). But even though this could be a smaller margin for error, it would still be indicating a problem to be addressed in the future? 160K. What can I check next? WebShop 2022 Subaru Outback Base Catalytic Converter (Front). What do you think? He has put 29,000 miles on the car over the past 15 months, all highway driving (he travels long distances for his job). The place to start is the Reflash. The car was purchased in Boston, MA and then driven to CA. The P0172 needs to be diagnosed and addressed and it just should not be driven until it has been I am afraid. i go have the code cleared maybe it was just burning some stuff off. Sorry for the confusion regarding Subaru vs. your independent shop. If your vehicle has an O2 sensor after the cat, and you remove the cat, the check engine light will turn on. I have a 99 outback with 144k miles. He just said to bring it to an exhaust place whenever I have the time and itll probably be a quick/inexpensive fix. He says it will run about $1200 and its best to do all three at the same time. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. Home Troubleshooting Subaru Forester clogged catalytic converter symptoms, causes, and diagnosis. That should be a P0420 code: cat inefficiency bank one. But its back on, triggered by, seemingly, making a simple right turn. After we paid $2000 to have these fixed and picked up the car, 24 hours later the CE light came on. Very familiar with that converter and sensor configuration. I suspect they did not do much more than that. 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 Subaru Catalytic Converter Location COIA Contents [ hide] All I want to do is get through the state of CT emissions test! Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. They cleared the car and now, the PO0420 catalytic system, efficiency threshold code comes up. These Legacy and Outback vehicles were all produced between December of 2013 and September of 2015. 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. Hope that helps and best of luck going forward. I drive about 60 miles round trip to work, mostly highway, and change the oil every 3k by the book. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. The Carb cleaner will destroy the coating on the butterflies or throttle plates. While waiting for the tow truck I looked up the symptoms and most pointed to a bad front O2 sensor or possibly a bad TBS. A quick test of the catalytic converter is tomonitor the rear oxygen sensor activity duringwarm-up. The local dealer gave me this price after scanning the code & no further diagnostic review. Poor acceleration Its a 2008 subaru legacy 2.5i limited with 99800 miles. Would replacing the secondary O2 sensor do anything? 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? WebTo discover whether your vehicle is affected by the Takata airbag inflator recall, please click here to visit our dedicated Takata Airbag Recall website. Love the turbo. Unfortunately, I got the feeling from the dealership that I could really screw up the car if I dont replace it. Ill even give you a good deal. I objected by saying that it could be running rich for two reasons: I was able to demonstrate that I had taken proper care of my car, and Subaru paid for all of my entire HG repair, even though my car was at 160K miles and about 10 years old (beyond recall specifications). The vehicle identification number tells you if your car is affected. It could have a failed Catalyst or a rear 02 sensor, or both. 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. 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. Subaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. If the temperature difference is higher than 10 degrees Celsius or 50 degrees Fahrenheit, then most likely the catalytic converter is clogged. Most times if we make the repairs the same visit we will discount or waive the diagnostic fee. 2008 Legacy 2.5i environment. They also swapped O2 sensors from LHS to RHS and still got the same reading. They have told me the warranty on the new catalytic converter is 150,000 miles. Someone has suggested adding gumout to high octane fuel and running the car for awhile at high RPMs to possibly reguvenate the CAT temporarily. Full Diagram #44102B EXHAUST. Should I make sure they checked the O2 sensors, A/F fuel ratio, ECT, MAP before I allow them to replace it? Also, thanks for taking the time to help out fellow Subaru drivers. This would be that based on this condition X, Y shall be this voltage. 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. Also verified it had never come up before since they were the servicing dealer. So yes there is only one light and each time it comes on most likely its something new. my CAT is good, Ive changed the secondary O2 sensor as well, searched for leaks before O2 sensors, did not find any. What questions should I ask befroe replacing the Cat Conv? You really just need to research this out in your part of town. The vehicle identification number tells you if your car is affected. It is not complete list and many of the items listed are voluntary fixes, not official recalls. Next step is to drive it harder than normal and try to burn off any contaminants. You can try higher octane fuel and harder driving to build up Exhaust Temperature. 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. But I will save that for another article.. Closed Public Holidays) or email at feedback@subaru.com.au. Had the code cleared and now 2 days later the light came back on. 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. -Is it true that everything is sensor controlled and there is nothing dealer can do to improve MPG? Good info, it helps a lot, thanks Justin. If they have tested and not just scanned and the Cats are at fault based on that price I would start with trying a fuel induction service and then driving it like you stole it for a week or two to try and breathe some life back into the Converter by burning out any carbon that has deposited it self in the Converter. Thanks for all of this information, it is really helpful. Best Regards The day after I posted that I came to a sudden stop when a green light turned to red and my Suby violently shook as I came to a stop. 2022 Subaru Outback Base {{loadingIndicator}} Hamburger menu. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. Replaced a cam sensor and then the ECM under warranty(extended) now the same lights on and told it is the Catalytic converter. The OBDII connector is usually located under the dashboard. Catalytic Unless the Catalyst is getting no where near the light off point? I would have some one give you a whats factually needed type evaluation before breaking up. Can you give some advice?? 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. I havent been able to pinpoint what precipitates CEL illuminating.The car is acting the same as before (stuttering, shifting/idling rough) and throws vague/dreaded P0420 code. The code is back now, P0420 again. Is it possible that an after market muffler could be causing the code to remain. Thank you Hello I keep coming back to you so now Im going to ask. I just purchased an 08 outback its beautiful more or less rebuilt engine bay exhaust in the last 50k miles new suspension got a great deal she runs swell no issues at all other than a couple expected oil leaks it has 219K miles on it mostly highway the guy worked 70 miles away in 1 direction!!!! In other words my engine was running hot for the first 20,000 miles or so. Dealer anticipates either needs new catlytic converter (still under warranty) or CO2 sensor (not warranted). Second, I installed a Torque Pro App on my android phone and purchased a blue tooth compatable code sender. https://allwheeldriveauto.com/subaru-faq-3-my-check-engine-light-came-on-and-or-my-cruise-control-light-is-flashing-can-i-drive-my-subaru/, https://allwheeldriveauto.com/seattle-subaru-check-engine-light-part-ii/, https://allwheeldriveauto.com/your-subaru-check-engine-light-explained/. A gas cap being loose would never cause a PO420, it could set a P0457 or P0440 however. I just disconnected the battery in my 2008 Outback to clean the terminals/cables. Thank you. I also noticed that my Coolant Reservoir was empty. I didnt know the converters were made to only last that long. the car has 121K on it. View details Hide details. Is the Convertor reaching the light off point but the code appears anyways? Catalytic We were still in contact with the seller and he came and checked it out and code P0420 came up, but he said that it was nothing to be worried about and turned the light off. 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. 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. vapor, nitrogen, and oxygen before the exhaust is expelled into the. All three at the data and figure it out, is really what needs to replaced. Save that for another article.. closed Public Holidays ) or email at feedback subaru.com.au... A $ 2,500 car 1,500 to over $ 2,200 also noticed is now that. ( not warranted ) gauge, it ran for a week after driving it 4hrs from Atl back to so. 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