If the catalytic converter is not warmthen the catalytic converter will not light off. In addition to the vehicle make, model, and engine type, you usually also have to type in the Vehicle Identification Number (VIN). Hi Justin, I didnt know the converters were made to only last that long. Need to perform a Catalyst test and try to determine whats wrong. 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. They are recommending a new catalytic converter ($1,000 parts and labor genuine Subaru converter), saying the oxygen sensors are fine and there is no exhaust leak. 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. Would it be unwise to keep this sensor for a new cat? EXHAUST & MUFFLER '02MY-'03MY. So hes leaning towards the Cat being replaced. I bought the car with 169,000 miles on it last spring, and it had the P0420 code. Another thought is to not fix it? Opps, I forgot my third question. Or is it better to let a new (expensive) cat converter be installed? Hi Justin, Drive car harder especially when cold or while warming up, after warm up is the time to drive economically if you have too ! I would have some one give you a whats factually needed type evaluation before breaking up. Cannot find any reference. This should work: The car has been serviced by Subaru religiously every 10,000 kms & most driving is open road. Now enter Adaptive strategy, based on this condition X, Y shall be this RANGE. Notify me of follow-up comments by email. 4) **Should I just continue to drive it, with higher octane (per manual recommended 87)until the light comes on again? 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. When the engine cannot breathe properly due to clogged catalytic converter, it causes the engine to burn more fuel. Any unburnt fuel in the engine that goes into the exhaust system will ignite in the catalytic converter. All Wheel Drive Auto, LLC and its staff are not affiliated with Subaru of America. I am sorry I know thats not what you want to hear, its interesting there is no coverage thats a crazy loophole from the sounds of it. Yes the PZEV uses a different Catalyst Configuration. Now, here is my question. I am wondering whether this problem could be related to the P0420 code. Many owners not savvy enough to do the work, will have to dish out money for labor installation as well. So I had both front bearings replaced. However, it can fail much earlier due to contamination, overheating or physical damage. The OBDII connector is usually located under the dashboard. No change whats so ever. Yep, need to get that code read! Happened Sunday as I rounded a curve. Faulty Catalytic Converter. These are Subarus sold in the lower 48 states and Alaska. Fouled plugs, bad oxygen sensor readings, worn valves or pistons and a number of other variables can cause internal catalyst failure. WebShop 2022 Subaru Outback Base Catalytic Converter (Front). Learn about our recall process. 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. code of P0420. Should I have the cat replaced since its still in warranty? at Subarus expense) but Im not so sure that its really necessary. Had it replaced, and light is out. I dont notice anything different in the way it has run before or after the lights went on. There is no change in the cars performance, and Im trying to determine what I need to do next. Ken. The catalytic converter aids the conversion of these. 2020-01-02. Tim. The cat fooler you mentioned is installed to trick the ECU and prevent the check engine light from turning on, since the O2 sensor will detect high emissions in exhaust and turn on check engine light if there is no cat. Performance and fuel economy are normal. They re-set my CEL, so it is not on now. The Cat may be in need of replacement, but it could have an issue with a sensor as well, I dont know without testing it whats wrong, or what to replace. I bought it used so, I have no reference to what may or may not have gone on with for the previous owner. Put in some 94 octane, and some fuel injector cleaner and had that spirited drive on the highway to put some life back into the Cat (as per Justins great recommendation! I had a oil change scheduled at the dealer, and asked them to let me know why the CEL came on. Home Troubleshooting Subaru Outback clogged catalytic converter symptoms, causes, and diagnosis. Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. kind regards. My outback just turned 100,000 miles and never has the CEL come on since Ive owned it. All I want to do is get through the state of CT emissions test! I had the check light come on. Hi, Justin, thank you for info you have provided on this site. Baffled! The vehicle identification number tells you if your car is affected. WebTo discover whether your vehicle is affected by the Takata airbag inflator recall, please click here to visit our dedicated Takata Airbag Recall website. And could a head gasket leak damage my sensors? Should be done in the next day or so. 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. EXHAUST & MUFFLER '04MY-'05MY. It my be time for a new car. On the running rich, it was explained to me that the cat sensor is showing that it is running rich. Do you think it would be wise and the most cost effective to let the dealer read my p0420 code for themselves and then tell me I need a Catalyic converter (The service writer told me that is what they do 99.9% of the time with the p0420 code). I have a 99 outback with 144k miles. Shouldnt they have thought of all that before recommending to replace? I replaced plugs, wires, and eventually the ignition coil We do not have an extended emmisons system warrenty here as it seems you do in the USA. I though great! I have Catalytic After 2 resets and air out the car on the hwy with 91 octane and fuel injector cleanerthe code hasnt popped back up (knock on wood). So it doesnt help me determine whats wrong but puts the odds in favor of the convertor being restricted with carbon and not reaching temperature. I purchased a new used 2004 Outback 2.5L 4cyl Base model about a week ago as is no warranty offered from my local dealer. With a noticeable loss of performance, high fuel consumption and more harmful emissions at the tailpipe, a defective catalytic converter should definitely be considered. It absolutely can not be diagnosed in the parking lot of your favorite parts store with agenericscan tool. I did have the battery out for about a week and a half while I was working on it in my spare time. brakes work ok when applied normally. The car drives very well, there is no smell from the converter. I have a 2007 Forester, base model. hey ive got a 07 impreza im a mechanic and having nothing but trouble with it ive scanned it and surprise surprise cat below efficiency threshold rear o2 wasnt ranging correctly (reaching light off point) replaced o2 fine for a month then light came back on test o2 working fine added a o2 extender because they were doin that genuine they said it made the o2 less sensitive put it on the gas bench im getting over 1% oxygen out the exhaust genuine said thats to much new cat $6100 I think not but the other main problem is I cant clear the code I can go through the clear process but from the moment I turn the ignition back on the codes back even if the engine hasnt been started the vehicle is running a bit lean at idle but if its running a bit lean mean more oxygen in the exhaust meaning the cat should work more efficiently so im just lost atm it will probly be somthing stupid causing it but I need help. to pump money into my 2005 Outback with 190,000 Dealer reports teh Engine light went on today due to P0420 code. a Technician carried out a diagnostic procedure as per workshop manual checked resistance between relay and connectors which led to finding a blown fuse.20A Green. Thats why no one really wants to tell you if you should drive it, a good idea is having your own code scanner and checking it your self here and there until you can budget for repairs if you choose to do them. That inspection indicated there were no concerns, other than a suggestion to replace the timing belt, which has been done. If the Catalyst isrestricted, in the way of carbon deposits, it wont reach temperature and as such wont function, it is possible in some cases to de-carbon theexhaustsystem, but only if that is the diagnoses. The only statement I dont have an answer for is the running rich one, I dont see where thats been addressed? WebCatalytic Converter Part Number: 44102FE040 Exhaust Pipe Center. If your Subaru Forester 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. Hope she doesnt find out Ive been talking about her like this. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. Rarenoble metals (Platinum, Palladium andRhodium) are bonded to the ceramic structure. Analytics/Measurement. I should have addressed it right away, but I didnt need my emissions tested until this year. Thanks for your reply Justin. We had the headgasket done a month before the code appeared. A sulfur or "rotten egg" smell indicates the formation of hydrogen sulfide (H 2 S), a likely sign of catalytic converter contamination. A common thing to have replaced is the front air fuel sensor other wise known as the Front 02 sensor if you want a parts toss from thousands of miles away. 370 people reported this problem 140 comments Subaru Forester Vehicles With This Most times if we make the repairs the same visit we will discount or waive the diagnostic fee. After the check engine came on we took it to a friend in the small town we were close to mostly because when I called thelocal Subaru they immediately told me over the phone I had to get the entire turbo engine replaced. Do you think I should (1) reflash the ECU and see if that helps, (2) spend the $1k and replace the converter, (3) go somewhere else and see if they will do an efficiency test and throw more money at testing, or (4) do something else. Do you think Im looking at a new Converter as well? We have installed new Convertor from Subaru and still set a code, but because we can test we were able to determine we had a defective Catalyst, it can happen. I checked the codes today, no other codes besides the P0420. Until the monitor is back at ready status the convertor is not being monitored. In mid-2012 my son bought a one-owner 2003 Baja with about 118,000 miles on it from a used car dealer. I plan on putting another 70k on this car, so Im not opposed to necessary repairs/maintenance no matter the cost. That was early June of 2016. Full Your catalytic converter replacement cost will depend on different factors, like labor costs where you live, and which Subaru model you drive. Are there some other signs that the CAT has failed? I replaced my spark plugs because they were due anyways, but that didnt clear the code. Some of these owners then replaced the aftermarket bearings with OEM parts and the problem went away. Also verified it had never come up before since they were the servicing dealer. Hope that helps and best of luck going forward. I have already had the ECM flash done at the dealership. Learn about our recall process. Back when I had ratings on my posts the Check engine light articles always did poorly. Lastly, I noticed the local Dollar Tree store sells bottles of SMBs fuel injector cleaner for a buck. I would in fact start with having Subaru OEM type bearings re-installed, if the bearings themselves were in fact the original cause and we installed suspect bearings the diagnoses or theory may have been correct but the correction suspect. But all cars burn through parts and there isnt much pleasure in that when it happens. With a noticeable loss of performance, high fuel consumption and more harmful emissions at the tailpipe, a defective catalytic converter should definitely be considered. Later that day, the light no longer appeared. Since you may have more familiarity with dealing with my exhaust system, here are the notes from today after a bunch of diagnostics: 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. Since then, the CEL hasnt come back on and I havent brought it to a shop to get it checked out because Ive been busy with school. If you ever get around to that another article about PO420 coming on after an ECU reset, Id be delighted. A sulfur or "rotten egg" smell indicates the formation of hydrogen sulfide (H 2 S), a likely sign of catalytic converter contamination. Then the car will sit in my driveway until he gets back from his trip and he decides on how to proceed. Best way to tell if your vehicle is a cat theft target is to find out how much replacement is. 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. Learn about our recall process. The Catalytic Converter is the single most important emission device in the vehicle. If the temperature difference is higher than 10 degrees Celsius or 50 degrees Fahrenheit, then most likely the catalytic converter is clogged. Takata Airbag Inflator Recall. I have her note book of every repair and maintenence item recorded with all the receipts. If you dont have any good advice I have a 2000 subaru outback for sale. 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. 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. I took the cables off to clean them again and a day later, same thing. 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? One guys scan tool could see the sensors switching so he said they are working just replace the cat. Does this help determine if its the cat or something less expensive to fix. And since the Subaru employs multiple converters, everyone is at risk from the leading cause of the internal catalyst failure. In the meantime I am going to try a higher octane fuel and some injector cleaner. BTW, I havent lost any power going up and down the mountains, nor has it been backfiring, nor is there any odor. He said that the HG leak could cause the Catalytic Converter to fail. 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. took her to the shop to get the oil cleaned off the engine and have it looked over to see whats coming up in the repair chain of events. I have been on the hiway a few times full throttle and my gas mileage seems to be back up a bit. I need to know how to solve this problem and I dont even know where to begin because there are to many possibilities. The Cats have to be of the same design to work and be considered compliant. Its possible there is still an Exhaust leak, but I wouldnt know that to be accurate unless I see it. But its back on, triggered by, seemingly, making a simple right turn. Webexhaust pipe containing the catalytic converter. what are the problems of removing catalytic converters on my legacy b4 2001 model? Below we'll cover the location, price, and symptoms of a bad torque converter in your Forester. I need to know what I should do first. Hi Justin, The advice I typically give is to get away form the Stealership, and look for a great independent. They are an independent mechanic (Friend). There is just no Quality aftermarket Convertor on the market today, especially for the state of California. My question is this: Is/could the current issues still be resulting previous work? Measure the temperature at the inlet and the outlet of the catalytic converter using an infrared thermometer, and compare the readings. WebShop 2022 Subaru Outback Base Catalytic Converter (Front). Connect the hose of the gauge to where you removed the oxygen sensor. And ever since that repair, from time to time the CEL comes on and the cruise light blinks. Can you tell me what is the drive pattern to complete the Catalyst Monitoring? However, my cruise control isnt working. I've heard they can get up to $1000 for the metals in Toyota cats. 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. You should be aware of a Subaru recall on head gaskets: recall # wwp99. I know thats confusing at times but Welcome to the US government. They are also recommending a reflash of the ECU ($95). Im in California and it is my understanding that CA has stricter standards for CATS than other states. The O2 sensors, or just replace the HGs and see if the code clears? Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. 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. Buyer beware when it comes to the potential prospect for a VERY expensive catalytic converter replacement. Thats the place to start. I have a 2005 Subaru Legacy Wagon Limited and I get code P0420. Recall date. Unfortunately, now the check engine light is coming on, and is saying that the catalytic converter is not operating correctly. Unfortunate that we live on opposite sides of the country, or would bring the car to your shop for the work. Over time, carbon deposits accumulate and clog up the catalytic converter, especially if the vehicle has racked up a lot of miles. You seem to be a very knowledgeable Subaru mechanic and Im glad I found this website. I have a recurring CEL code of P0420. Thanks for your help, and your great site. I am in WY where it gets cold. If all is done well with the RIGHT parts you should be looking at this in the rear view mirror for years to come. Id just get it sorted out, that Subie has a lot of life left if you want it to. Up until now my Subaru has been a dream. Someone really needs to look at the Data and figure it out, is really what needs to happen. You could try using higher octane fuel and some spirited driving for a bit and see if that helps it. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. WebScroll down for a partial list of fixes and recalls on the US spec Subaru Outback, Legacy, Impreza, Forester, WRX STI, BRZ, Crosstrek, Tribeca. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. Fits Impreza, WRX 42 people have looked at this part recently Diagrams and Kits What This Fits Product Types Services EXHAUST. 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). Hi Justin, Since your description is so valuable, may I ask some silly further questions? Thats the only next step. I guess my lesson I learned was to make sure the car is smogged before I buy it:(. In your replays you dont recommend aftermarket CATS and said they fail within a year, is that the same for a direct fit, California compliant CAT? They typically respond with something like, Ive never heard anything like that. You have a very expensive system, that over the course of time will most likely have most if not all of the components replace minus the ECM, it doesnt sound like its still had a real diagnoses, I am not seeing Exhaust gas information, heat readings and graphed data. When you say We are highly regarded I dont know if you mean our repair shop, the website or Subaru them selves. 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. On the way home from work it had some hesitation that at first I thought was caused by me not shifting correctly however a few miles down the freeway while going 75 the car started losing power and surging. pollutants to less harmful substances such as carbon dioxide, water. Catalytic convertor and 02 sensors from Subaru and fix the problem, anything else will be more of the same period. I knew it was nothing mechanical, it sounded more like some bolts were not tight and a part was rattling. Hi Justin Very familiar with that converter and sensor configuration. Just wondering if youve worked through a similar problem where sensor values seem normal but have been spiking? 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. If the oxygen sensor develops a fault, it will send incorrect readings to the control unit resulting in bad air-to-fuel ratio. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. Wish I could offer you some help but I would be guessing that something new has come up. 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. Model Year Carline Affected Production Dates 2015-2016 Legacy 12/16/2013 9/30/2015 2016-2016 Outback 12/9/2013 9/30/2015 I only wish you were in New England instead of Seattle. Many thanks in advance! 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. 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It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. i go have the code cleared maybe it was just burning some stuff off. The cel appeared a few days ago. what does one do i am going to buy a digital full read out obd2 connector for my phone i can leave attached to get some live data recorded but im currently left scratching my head as to what to do now Other than start collecting live data snapshots of the moment it shows up. Now, yesterday at about 97,000 miles, Ive got the Check Engine light back on, and the report from the guy at AutoZone (Yeah, I know how you feel about that.) Analytics/Measurement. A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. Any thoughts on routinely dumping a bottle of this stuff in the tank every 2 or 3 fill-ups? As far as what the service writer told you there are some dealers that will scan a code and give you an estimate without doing any real type of diagnosis. when I took it to the mechanic he mentioned that it was a catalytic converter. Driving at a high speed. They have told me the warranty on the new catalytic converter is 150,000 miles. Any more info on why you mentioned this could happen? However, I havent seen anything here (or on other sites) yet with my issue. Anyway, your site rocks and you have the heart of a servant patiently answering all these questions. Yes Justin is absolutely correctit seems there are multiple ppl on this thread that had the dreaded P0420 code right after a HG change from the disconnected battery. Justin, russellpat Registered 2022 Outback Touring XT. They cleared the car and now, the PO0420 catalytic system, efficiency threshold code comes up. Is it possible that the higher operating temperatures from driving the car at high rpms and being driven at highway speed, somewhat cleaned out the cats and brought them back within the specifications of the ECU? I dont dispute that the catalytic converter probably needs replaced. Be diagnosed in the lower 48 states and Alaska, other than a suggestion to the... Shall be this range no smell from the leading cause of the ECU ( $ 95.... Like some bolts were not tight and a half while I was working on from. Now the Check engine light went on could be related to the ceramic structure change in the view. State of California convertor on the new catalytic converter to fail you tell me what the. Smell from the leading cause of the catalytic converter using an infrared thermometer, and look for very! Complete the Catalyst Monitoring when I took the cables off to clean them again and part! Sold in the engine can not be diagnosed in the rear view mirror for years to come then the to... 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