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. My current Outback is a 2006 Limited with @150,000 miles on it. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. Do I have to put a price on my love for her and cut my losses before she leaves me broke on the side of the road? Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. I reset the code and let the wife drive the car (normal driving) for a week and it will not throw the code. Had it replaced, and light is out. Your Subaru Forester leaves the factory with a catalytic converter. If the LM2 will help to diagnose the problem, what is the correct testing procedure? Wasnt like he was trying to take my money. It is not uncommon to see yet another converter downstream integrated in the construction of an intermediate pipe. In order for the conversion towork efficiently it needs lots of oxygen. I have 83,938 miles on my car. Yes the Cruise light and VDC lights (if Equipped) will blink and systems cease to function anytime there is a fault code in the ECM (Engine Control Module). 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 installation and they replaced that speed sensor. reads: P0420 Catalyst Information Below Threshold (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. Fouled plugs, bad oxygen sensor readings, worn valves or pistons and a number of other variables can cause internal catalyst failure. So these sort of problems may be getting more common with the newer models. They said could come on in 2 days or 2 months, or longer. After I changed the sensor, that code went away and the P0420 came up. Chemicals and Exhaust Temps can acheive this, you can also remove the Convertor and sensors and try soaking it. Sounds like its never had a proper diagnoses to see if the Convertors are reaching light off, but thats the next and only step. They re-set my CEL, so it is not on now. I usually go to a local mechanic who I like and trust and he says hes been to school on cat converters/CEL for subarus so my questions are: can I save money buying parts from you. I cant comment on what you should expect to pay other than at my shop, we charge $96.00 to perform a Catalyst function test in conjunction with graphing data from the 02 sensors. Hi Tim, What other testing should they do? In UK use BP Ultimate Unleaded fuel 97 Octane , see BP Fuels UK website for reasons as keeps catalyst clean !. If its over 80,000 miles than you should budget for a Catalytic converter Replacement in the Future. Another guy from Canada. A car you owned in the past had less technology and less strict emissions requirements. WebSubaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. vapor, nitrogen, and oxygen before the exhaust is expelled into the. Best Regards A sulfur or "rotten egg" smell indicates the formation of hydrogen sulfide (H 2 S), a likely sign of catalytic converter contamination. It does not seem to be running any different. My 06 outback kept tripping the 420 code off and on for a year. Should I replace the aftermarket front bearings with OEM bearings? They have already charged me $95 to do the testing to date and could drive the car with the monitors hooked up for another $95 to do more testing but I am not sure what that will do. On a modern vehicle you are asking for trouble if you dont use a memory maintainer tool when disconnecting the battery. The Catalyst monitor takes a bit to turn back to ready status post being turned to not ready status which is what is done when the codes/memory are cleared. Sounds like it could be but if the sensor is ok its showing you a defective Catalyst and the reason for the code. Menu: Catalytic Converter Price Forester Catalytic Converter Location EXHAUST & MUFFLER '02MY-'03MY. Closed Public Holidays) or email at feedback@subaru.com.au. Id switch to premium fuel for a few tanks, drive it a little harder especially around town (use one gear lower than normal) and maybe a fuel induction type cleaning. Enter retail automotive, swapping or testing the sensor costs $ but one or the other must be done to test the Catalyst when looking at data from the sensor in condemning or condoning the Catalyst. exhaust cover '06my. Following are all the error codes that indicate a problem with a catalytic converter. After reading your explanations I end up with more questions than I started with. Your email address will not be published. FCA03. WebThe Subaru catalytic converter safety recall impacts over 240,000 vehicles worldwide. 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. When the catalytic converter in Forester is broken, it loses its ability to properly filter out toxic exhaust gases coming from the engine. One month later the Check Engine light comes onthats never happened before. MAYBE you can assist me here..i have a 2011 forester diesel turbo. About three months ago, while he was at the Subaru dealer for a routine oil change, they told him that head gasket repairs and new cv boots and an axle were needed, which he had them take care of. Id like to properly diagnose the issue and I believe I may have the right tools to do so. 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 called the dealer, and they say the car has already had the ECU update. Campbell began his professional writing career in 2004 with the publication of his first book. This commonly happens due to a bad upstream oxygen sensor, but can also happen due to a bad MAF sensor or worn spark plugs. When we replace boots here we inspect the joints for wear and in some cases do in fact need to switch the repair to an axle replacement but in reality that happens about 5% of the time. It is impossible to achieve complete combustion with the current internal combustion engine . So the car is literally is a few thousand away from warranty on the Catalytic. I read somebody else had the same issue. He was able to get a wrench on the hose clamp to tighten it down. 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. Any suggestions you have would be greatly appreciated. The cel appeared a few days ago. 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? Id drive the vehicle in a way that builds up a little heat before replacing the convertor. The industry or the market place rather does not allow for scientifically approaching the issue with a prove good or prove failed circumstance, instead its not an exact science unless you have the ability or the inclination to go one or several steps further in your diagnoses. He took it in to the Subaru dealer and they say it is a p0240 code and it needs a new catalytic converter at a cost of $1800. 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. for around 200 miles, and then the code reappeared 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 ???? 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. Save my name, email, and website in this browser for the next time I comment. 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. I would make the head gasket repairs, then budget for the Subaru convertor when you can and maybe replace the front air fuel sensor and rear oxygen sensor at that time as well. A fuel mixture that is too rich, i.e. everything worked fine for the first 300 Kms. I have her note book of every repair and maintenence item recorded with all the receipts. - Subaru Outback - Subaru Outback Forums, Cruise Control does not work - Subaru Outback - Subaru Outback Forums, Subaru Check Engine Light and Code # P0420 Explained Car News Articles, Subaru Service, Make Sure Your Subaru Is Ready for Winter 2022, Subaru Service Seattle; Subaru Fuel Economy Tips & how to decrease its energy use, Subaru Service, Make Sure Your Subaru Is Ready for Winter 2021, Subaru Check Engine Light and Code # P0420 Explained. Had a local garage check it out and they could not find any issues. Should I just bite the bullet and have it replaced? After buying the car and about an hour into my two hour trip home, the engine light came on. He reset and said it was fine to drive back home to my regular mechanic. Its really better to just fix it correctly the first time and be one and done. Are there any symptoms to watch for h.g. 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. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. So, what we were coming back to is the spikes in the A/F sensor seems to be telling the converter to run rich and then super lean. My question is: is it normal for the Cruise control light to be on and blinking (not functional) and the Vehicle Dynamics control (vdc)light is on and non-functional? Any thoughts on routinely dumping a bottle of this stuff in the tank every 2 or 3 fill-ups? They say its not Subarish! There is special intake type cleaner you want to use. Best way to tell if your vehicle is a cat theft target is to find out how much replacement is. 4) **Should I just continue to drive it, with higher octane (per manual recommended 87)until the light comes on again? If replacement is $200-$300, probably not a high target. 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. This same issue may cause the car to fail the State Smog Test if one is required. Up until now my Subaru has been a dream. Later it starting changing in tone and frequency to a variety of sounds including a scraping type of sound. Price for sensor & labor $400.00. Based on all of the hits on the web regarding this Subaru problem Iwonder if theres a secret warranty out there?. They are an independent mechanic (Friend). 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. 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. 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. Hi. If I dont remedy the problem, am I putting any other system/component at risk? Kind regards, and thanks again! Webexhaust pipe containing the catalytic converter. Thank you Report a problem with your vehicle, tires, car seats or other equipment. Have a 2008 Outback 2.5i Pzev and got a P0420 code after a HG change (external coolant leak). Then the car will sit in my driveway until he gets back from his trip and he decides on how to proceed. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. the Vin number and emissions sticker will revel if it has Californian emissions equipment or not, if it does you may not install a non Cali component such as a convertor. What can I check next? Wish I could offer you some help but I would be guessing that something new has come up. Toggle navigation. Buy an O.E. Your article says a possible cause is sometimes its just a small exhaust leak. What do you think is causing these sounds from the front end? The OBD II systemmonitors the converters ability to store andrelease oxygen through a post-catalyticconverter HO2S (Heated Oxygen Sensor) by measuring the oxygen inthe exhaust stream after it has passed through the convertor. I also noticed that my Coolant Reservoir was empty. code of P0420. Is this a reasonable thing to do? P0420 code was detected, and Subaru dealer eventually performed catalytic converter replacement under warranty. Was the WVM 23 service campaign performed on your 2008 Outback? Start the engine and wait until it gets into operational temperature. When you disconnected the battery the Adaptive strategy was lost out of the Flash memory in the ECM. 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