The first time this happened, I took it back to the shop that replaced the wheel bearings and they found that the speed sensor on one of the wheels had been damaged during wheel bearing replacement and they replaced that speed sensor. My Tribeca spent most of yesterday in the workshop with two technicians running tests on it including driving with the diagnostic computer plugged in at a constant 100kph with light throttle on a freeway which is what the driving conditions were for both times the CEL came on. Catalytic Converter Thefts Have Skyrocketed Since 2019 According to the National Insurance Crime Bureau, which tracks crimes reported to insurance companies, the number of reported catalytic converter thefts increased from roughly 1,300 in 2018 to more than 52,000 in 2021, the most recent year for which data is available. ANYWAY, over the weekend I was driving thru town, when I had to abruptly stop to avoid someone backing out of a parking spot on the main street and my CEL came on immediately after this. I am wondering if these contributed to the deterioration of the cats. hi there i have a subaro wrx 1998 and the check engine starts to come on and after a while it goes and after a while it starts to to come on and when it does tat the RPM goes lower than 0.8 and it turns the car off and if i was driving and the chek engin turned on when i am pressing on gas it feel like iam releasing my leg on gas but i am not releasing my leg on it and it comes back again but with defrent performance and after a while it starts to bring out a white smoke from rear (not so white) and with a bad smile, but if i turend the car off and starts again after like 1 or 2 hours nothing is hapening unless i drive like 6 miles its comes again, but now the chek engine is on when i start the car and the RPM is below the 0.7 and i cant drive it because the whole thing i told u about is happening when i does, plz help me knowing whats the problem and i will be greatfull. What do you think of this?? My wife drives the car now only for short, local trips and not much highway. I had the converter done at just a regular shop in my area. How is this test performedwhile driving or during idle? Should I make sure they checked the O2 sensors, A/F fuel ratio, ECT, MAP before I allow them to replace it? 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. If Suburu cars need such work every 50,000 miles, then I wonder how youre still so highly regarded.. Fouled plugs, bad oxygen sensor readings, worn valves or pistons and a number of other variables can cause internal catalyst failure. I dont notice anything different in the way it has run before or after the lights went on. 2022 Subaru Outback Base {{loadingIndicator}} Hamburger menu. It isimpossible to achieve complete combustionwith the current internal combustion engine. Had a local garage check it out and they could not find any issues. Its a week later, and all is still good! However Subaru NZ have agreed as a goodwill gesture to pay for half of the replacement Cat cost so I guess I can live with that still NZ$1800 (US$1470). Then again it came on. Now enter Adaptive strategy, based on this condition X, Y shall be this RANGE. If after the reflash it didnt resolve the issue I would then re evaluate it, and if the Catalyst is still not reaching 600 degrees I would then replace the Catalyst. Do I need to test all of them or just the rear one? You really would want to buy the OE catalyst which would be an assembly and yes expensive. My dad recommends that I just sell the car, in fear that it may cost us much more than we bargained for. 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. Id just get it sorted out, that Subie has a lot of life left if you want it to. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. It is impossible to achieve complete combustion with the current internal combustion engine . 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. 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] Ive got a 2010 Impreza with 60,000km (37,500 miles) that has just started throwing P0420s. 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 cant understand how the catalytic converter has to be replaced after only 110,000 Kms- given the Subaru has been so perfect, Ive also had people tell me that Subaru turbo engines are finicky and will probably have to be replaced soon!? Glad you enjoy the XT, they are really fun cars. 400kms of mainly open road driving and the CEL light is back on again. Air bags. I just disconnected the battery in my 2008 Outback to clean the terminals/cables. 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. 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. They re-set my CEL, so it is not on now. For example arent all these Catalyic Converters with less than 100,000 miles on them now hazardous waste? Im still getting the same gas mileage. A car you owned in the past had less technology and less strict emissions requirements. Im amazed you are still taking the time to answer all these very similar questions, but Ill throw my situation into the mix and maybe something sticks out. Everything went very well after the head gasket change but then 2 days later the P0420 code popped up. I only wish you were in New England instead of Seattle. You wont find any answers until the code is read and a plan made form there. Or mine might have another common fault, as you detail. I am owner of 2001 forester w/180k mi. Love your site, and I too wish you were closer to Utah. I suspect they did not do much more than that.. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. After reading your explanations I end up with more questions than I started with. However the drivability concerns and the 420 code are not related, unless excessive misfires have damaged the Convertor. The failed convertor wont do anything to leave you stranded, or do damage by waiting to repair it other than the air quality which is why its there in the first place. Helps your vehicle emit harmless gases Direct OEM replacement. The issue at hand is the aftermarket ones may not have enough precious metal to function. Should I take it to the dealer or let my guy do it? If ceriumis contaminated or the converter overheats,the converter is damaged. 83000 miles on it and I get the dreaded P0420 code. Ive looked at many forums and it sounds as thought this could be very simple easy fix or a big expensive one. With the tool connected, turn on the ignition. 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. Bank 1 Below Threshold I need to know what I should do first. A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. 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. Subaru's number for this recall is TKC-20. Hope that helps and best of luck going forward. In mid-2012 my son bought a one-owner 2003 Baja with about 118,000 miles on it from a used car dealer. 85,000 miles. 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. With so many converters, one of them is bound to need replacement at some point. Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. Testing now. Being Memorial Day the only thing I could do myself was tighten the gas cap. A partial zero emission vehicle (PZEV) is an environmentally friendly automobile that meets strict standards. it could be worth importing them myself from what Ive read online most Subaru ones appear to only be around the $1000 each mark. i have two light on dash vehicle dynamics control warning light and a emissions control unit malfunction engine control system light on dash. Do you know of any independent subaru qualified mechanics in my area? On to the good news. Subaru makes a Great Safe & Reliable AWD vehicle. Subaru Forester 2009, Catalytic Converter and Pipe Assembly by Davico. Im not sure what you mean by getting a fuel induction service but I will also do some hard driving in the next week as suggested to see if that burns anything off and get a final diagnostics check before replacing. Thanks for your very informative article. 06 Outback manual trans. 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. I have a 2008 Outback with approx. After reconnection, the CEL came on with P0420 code. 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). 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. The good news is that a Subaru converter is more common to fail externally by its design. 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? Quick question for you, been dealing with an on again off again P0420 code for about 5 months. Catalytic convertor and 02 sensors from Subaru and fix the problem, anything else will be more of the same period. Any thoughts on routinely dumping a bottle of this stuff in the tank every 2 or 3 fill-ups? I've heard they can get up to $1000 for the metals in Toyota cats. Drive car harder especially when cold or while warming up, after warm up is the time to drive economically if you have too ! From `` exhaling '' the exhaust, anything else will be more of the cats head change! 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