Really cant speculate on whats the matter, its possible the booster is failing but that would be very uncommon. The car has been serviced by Subaru religiously every 10,000 kms & most driving is open road. Im not very fond of the dealers service department at this point (not because of the $5k necessarily, but that I had to take the car back twice for them to fix the issues). I have been using low grade gas. 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. They CEL is now off and has been for about 4500 miles. Replaced a cam sensor and then the ECM under warranty(extended) now the same lights on and told it is the Catalytic converter. My mechanic thought perhaps the wiring on the O2 sensor was a little bit too close to the heated parts of the engine and tinkered it a bit by tying it away from the heat. Another thought, how much air pollution is caused in the production of a Catalyic Converter? Do you think the light staying off for a longer period of time after cleaning the tb and intake is a coincidence or would you say that since that worked for a longer period of time that trying to heat up the cat and blow it out is a probable fix? 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. Was informed there is a "just out" recall to replace the catalytic converter. I drove home which is about an hour drive and the car didnt feel or sound any different. might it cause premature head gasket failure? Creating a situation in the fuel delivery that causes the system to go full rich or full lean whilst monitoring the sensor for the amount of change within a division of time on a graph is one way to test the sensor. Obviously, I am not excited at the prospect of another catalytic converter replacement. We purchased a used 2002 Outback wagon recently. 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. All catalytic converters fail eventually since its a wearing part. Since it is payed off, instead of paying car payments for a new one I am setting aside monthly some car funds. I need to know what I should do first. WebIf you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). Then again it came on. Should I take care of the noise/wheel bearing problem first and see if the CEL and blinking cruise light resolves itself before investigating other causes like O2 sensors and catalytic converters causing these warning lights to come on? Thats apparently what Subaru owners say? I have changed both O2 sensors. ), 2. Was the WVM 23 service campaign performed on your 2008 Outback? My 08 Outback has 90,000 miles, so conveniently out of warranty. Thanks. failure , my forester has never had replacement h.g.how can I make head gaskets last? pollutants such as carbon monoxide, hydrocarbons, and oxides of. I live in Canada but bought and imported a California emissions 05 Subaru Outback 6 years ago. After dumping money into these repairs, last thing I want to find is that I now need more expensive repairs. Model Year Carline Affected Production Dates 2015-2016 Legacy 12/16/2013 9/30/2015 2016-2016 Outback 12/9/2013 9/30/2015 Will this not let to increased fuel consumption? Since you may have more familiarity with dealing with my exhaust system, here are the notes from today after a bunch of diagnostics: I just changed the oil and decided to replace the PCV valve while I was in there. Dealer checked and said that yes, it might need a new converter. Hi, Im inclined to let it go for a few weeks and see if the same pattern continues or if the lights stop completely. After driving the vehicle hard for a bit it may go away, but you most likely had a on its way out Catalyst and now that the ECM is merely looking at pass fail data in a narrow way its easy to spot the issue. After reconnection, the CEL came on with P0420 code. This same issue may cause the car to fail the State Smog Test if one is required. Last week I finally had the time and money to have my friend who is a former head mechanic at ford (and also owns and works on subarus) change the head gaskets, exhaust gaskets, timing belt, water pump, etc. If replacement is $200-$300, probably not a high target. They re-set my CEL, so it is not on now. My outback just turned 100,000 miles and never has the CEL come on since Ive owned it. Adobe Digital Marketing. Service rep stated that in some instances, the attached heat shield cannot be removed (due to rust) and needs to be replaced (which could require later revisit). I cant offer any savings on Convertor, there is no margin. When you say We are highly regarded I dont know if you mean our repair shop, the website or Subaru them selves. With a noticeable loss of performance, high fuel consumption and more harmful emissions at the tailpipe, a defective catalytic converter should definitely be considered. What I am trying to explain to you is that just because a part was replaced in the past does not mean that its ok today. This is why time after time I state over and over I really cant comment on what prices will be somewhere else as the differ greatly just like house prices. Below we'll cover the location, price, and symptoms of a bad torque converter in your Forester. Not pleased with them. Are you also using non OE 02 sensors? If just the boots are bad at least that I can see, is there any harm in changing just these and leaving the axles as is? Air bags. I am considering to keep my subaru another 100k. She was perfect. 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). Subaru's number for this recall is TKC-20. was not on b4 now. I have a recurring CEL code of P0420. Hi, Justin, thank you for info you have provided on this site. These are obviously aftermarket and he only charged her for the 1st one, about $600. Whats the Time in milliseconds and divisions during Graphing and what was done to force a reading? The P0420 may be related to what ever is causing the P0172, but I cant know that until I diagnosed. I even did the spirited drive as you recommended. P0420 was showing If thats where you choose to take your car then I guess thats the service you should expect. -engine is not doing its job. If the checkenginelight comes on in your Subaru there is always a corresponding code set in the computers memory. However, this is not always the case, as a bad oxygen sensor can also trigger catalytic converter codes. I too have an intermittent CEL on my 2006 Outback, 148k miles.I had the code checked,P0420. Helps your vehicle emit harmless gases Direct OEM replacement. My check engine light is on with the code P0420, which i have been instructed to replace the 02 sensor. for around 200 miles, and then the code reappeared Ive got a 2008 Outback that had a new engine block put in at 77k because the dealership snapped the head bolts off when trying to replace a cracked head gasket. I have been doing a good deal of research on the internet on the code with the hope that I might be able to avoid replacing the CAT. Very familiar with that converter and sensor configuration. Buy an O.E. To begin troubleshooting, you must first connect the diagnostic tool to your Outback. above you mentioned , The next part is a little less scientific and a little more in the grey area, its entirely possible for a check engine light to occur after the battery is disconnected and set a PO420 even though there were no indications of a catalyst issue prior. Poor acceleration I had a oil change scheduled at the dealer, and asked them to let me know why the CEL came on. I have an 01 Sub Legacy. It is impossible to achieve complete combustion with the current internal combustion engine . I have outlined the rear 02 sensor in yellow, the pattern we are seeing indicates either the Catalyst is not reaching the point of light off or function or the rear 02 sensor is sending incorrect data to the ECM (Engine Control Module) . 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. One guys scan tool could see the sensors switching so he said they are working just replace the cat. Great site Justin..and wish you were in Va. Ken. 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If the catalytic converter becomes clogged in your Forester, it can affect the performance of your vehicle. Is that the next step prior to investing in a new CAT? Most diagnostic devices then ask for some information about the vehicle. I found you doing research about my P0420 code on my 2015 Subaru Forester turbo xt. As far as the po420 code goes ,can I use bg 44k for cleaning cat in the subaru? What other testing should they do? All catalytic converters fail eventually since its a wearing part. nitrogen. It can run into problems over the normal life of the vehicle, and is often accompanied by OBDII code P0420. Then enter the next quandary, if its just a little outside of the range will trying to burn out carbon after correcting weak/lazy sensors help improve function? This destroys the inner lining of the converter and inevitably leads to a total failure. typically be part of a 100,000 mile check up? Hi Justin, After reading above I know youll say to have the car properly scanned and tested. HGs replaced at 140K by Subaru. Its a California emission vehicle, but I have tried two different non-California catalytic converters, and both have failed. 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 nitrogen gas. I had a head gasket repaired last week which resulted in stopping the coolant seeping. 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. Because it seems to only show up during the Colder days, Id say its still has some life left, and if it was here thats what we would suggest. You wont find any answers until the code is read and a plan made form there. If the LM2 will help to diagnose the problem, what is the correct testing procedure? Is this indicating it is the cat conv at engine end that is reading below threshold.? Will this pass inspection or is the history still in the memory? Except, two weeks later, its back on. I have been now reading other posts and beginning to wonder. 2020-01-02. BTW, in terms of usage, I commute 60 miles round trip daily, mostly highway, and otherwise drive around town a bit. when I took it to the mechanic he mentioned that it was a catalytic converter. was all ok for the day though the following morning on cold start the light re-appeared and the fuse has blown again. Learn about our recall process. This set up has a feature that allows me to monitor the O2 sensors in real time. I have a 2009 Outback here in NC. 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. Justin has been providing Subaru Owners (regardless of where they live), with tips and advice about their Subaru since 2006. Converter Configuration: Direct Fit. Great set of articles. EXHAUST, Engine, CP - OEM Subaru Part # 44620AA750. Connect the hose of the gauge to where you removed the oxygen sensor. Adobe Experience Cloud (Audience Manager) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization, Cross Device Tracking, Optimization. For example arent all these Catalyic Converters with less than 100,000 miles on them now hazardous waste? Im running 02 Impreza 2.5TS, with EJ251 for about 6 months now. code of P0420. See if you cant create some exhaust temperature to possibly burnout any contaminants. Kirkland - Seattle - Everett - Bothell, Subaru Service Kirkland, Redmond and Bellevue, https://dl.dropbox.com/u/7723638/Diognostic%20Subaru.pdf, 2004 PZEV w/420 code will Subaru help w/cost to fix? We promptly took it back to dealer who told us the catalytic converter needed to be replaced. After reading your explanations I end up with more questions than I started with. This was a pretty good chunk of change, so Im sure he was hoping it was good to go for awhile, but now this morning the Check Engine Light came on. Other makes are experiencing the exact same issue Subaru Is not alone in this and its he price of clean air. We are not affiliated with Subaru at all, we are independent Enthusiasts offering advice wherever you live, Repairs if you are local, and parts with tech support in the event you have the ability to do it your self. But its back on, triggered by, seemingly, making a simple right turn. Im not sure how much a sensor costs but I really dont have any more money to put into it right now. oops again. 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. Id just get it sorted out, that Subie has a lot of life left if you want it to. Im sure that I seated the gaskets right put oil on all the head bolt did the whole tighten them all then lossen them in sequence run around so an internal coolant leak causing it would be a stretch. Should I replace the aftermarket front bearings with OEM bearings? The point where therear oxygen sensor becomes a straight line iscalled the catalytic converter light off point. 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. Ken. Also, thanks for taking the time to help out fellow Subaru drivers. Recall date. 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. Throwing the 420 code as well as P0335. You cant know if the Cat is good or bad without testing it. Thats an indication that the combustion temperature with regular unleaded is not hot enough to let the converter get to the point of light off. They are a large and reputable dealership https://farmerautovillage.co.nz Anyway they cleared the codes and told me to monitor it. Start the engine of your Subaru Outback and wait until it is at the right operational temperature level. Low and behold recently Ive gotten the dreaded P0420. WebSubaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. Full 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 converter would not light off if it was toocold or if the air fuel mixture was too rich or ifit is defective.
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subaru catalytic converter recall