View details Hide details. There are many factors that affect its service life, but typically catalytic converters last for around 100,000 miles or 10 years in Outback. I had my regular Subaru mechanic check the code and it was 0420. Your article says a possible cause is sometimes its just a small exhaust leak. I have After a couple of short trips, the light went off (along with the blinking cruise). Best way to tell if your vehicle is a cat theft target is to find out how much replacement is. The mechanic told me I needed a new catalytic converter, because a friend suggested I try using a spark plug non fouler on my rear O2 sensor to clear the code Didnt work. I have a 2006 Subaru impreza and live in MA. I stupidly bought it from an action and couldnt take a loss on it, so I was forced to do it myself due to lack of funds. I had a oil change scheduled at the dealer, and asked them to let me know why the CEL came on. In any case, it is advisable for laypersons to visit a workshop. My 08 Outback has 90,000 miles, so conveniently out of warranty. Thanks! it could be worth importing them myself from what Ive read online most Subaru ones appear to only be around the $1000 each mark. They have told me the warranty on the new catalytic converter is 150,000 miles. Air bags. Exhaust. Another more slightly annoying feature Subaru owners discover about the exhaust system on their vehicles are heat shield rattles. Without data you dont know if the Catalyst function is improved or not. I have a Subaru Forester 2009 and experience some performance problems lately. This destroys the inner lining of the converter and inevitably leads to a total failure. Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. Any ideas? My 2015 only has 110,000 Kms (80,000 miles) and I have only ever put in premium gas and always do premium oil changes every 5000 Kms. Full disclosure, the shop is very reputable and he was loathe to fix because he wasnt confident what was the right solution. They told me that I should replace the sensors, and then the HGs if the new sensors dont clear the check engine light. Most likely the rear 02 was set for a rear 02 sensor code on the 2007 as its fairly common. I cleared the code and started the car, it ran for a few seconds and then stalled. Id drive the vehicle in a way that builds up a little heat before replacing the convertor. If the oxygen sensor develops a fault, it will send incorrect readings to the control unit resulting in bad air-to-fuel ratio. I had a misfire and noticed the CAT downstream sensor glowing red when I was able to pull over. 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. After reading your explanations I end up with more questions than I started with. I have already had the ECM flash done at the dealership. Faulty Catalytic Converter. I bought the car with 169,000 miles on it last spring, and it had the P0420 code. You must know what is a normal reading however in order to know if the data shown is acceptable or not. These heat shields are susceptible to exposure and can break loose from connections and create annoying rattles while driving. I replaced it when I got home and the CEL went away. Catalytic Converter (Front) It Runs great and doesnt use any fluids at all. 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. 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 Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. 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. If the temperature difference is higher than 10 degrees Celsius or 50 degrees Fahrenheit, then most likely the catalytic converter is clogged. The light may go on and off until its resolved. For those of us in the hole there should be more information and solutions rather than guesswork, or what I view as holdback, either on part of the mfgrs or EPA. Ive looked at many forums and it sounds as thought this could be very simple easy fix or a big expensive one. Air bags. The issue at hand is the aftermarket ones may not have enough precious metal to function. I plan on putting another 70k on this car, so Im not opposed to necessary repairs/maintenance no matter the cost. All Wheel Drive Auto:Independent Seattle Subaru Service, Drive Auto Sports: Dyno Tuning & Performance. If the rest of the car is in good shape I would never suggest you get rid of it for a failed convertor, you may be able to get many more years of good life out of the car, the converter is an emissions control device and even when the light is on ass a result of the Computer not seeing the data it wants, the car may not be grossly polluting. Helps your vehicle emit harmless gases Direct OEM replacement. You could try using higher octane fuel and some spirited driving for a bit and see if that helps it. Converter Configuration: Direct Fit. my CAT is good, Ive changed the secondary O2 sensor as well, searched for leaks before O2 sensors, did not find any. Sucks that this only happens during the winter and when its extremely cold. vapor, nitrogen, and oxygen before the exhaust is expelled into the. 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. The why is learned data that has been lost typically with light of parameters, coolanttemperatureand maybeenginerepairs that make changes inCombustion temperature such as replacing leaking head gaskets. I would say yes its uncommon to need a second Catalyst at 50k after the first but I dont know if the front air fuel sensor was ever replaced or if there is something else going on? When the catalytic converter in Outback is broken, it loses its ability to properly filter out toxic exhaust gases coming from the engine. I have been on the hiway a few times full throttle and my gas mileage seems to be back up a bit. When I get it back, Ill get those front wheel bearings changed to OEM parts and I believe that should take care of the CEL and flashing cruise light. 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. pollutants to less harmful substances such as carbon dioxide, water. They are an independent mechanic (Friend). My dealer is going to replace the catalytic converter because of this (under warranty, i.e. Had it replaced, and light is out. Prior to I put cleaner is a full take of gas when I bought the car, still running in that same tank of gas with cleaner. I love the car, but the head gaskets were leaking. The car drives very well, there is no smell from the converter. Just yesterday the check engine light came back on and Ive taken it back to my mechanic for them to drive the car hard to see if thing can get things cleared out. I am in WY where it gets cold. The code is back now, P0420 again. If all is done well with the RIGHT parts you should be looking at this in the rear view mirror for years to come. 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. environment. 2022 Subaru Outback Base {{loadingIndicator}} Hamburger menu. If you dont have any good advice I have a 2000 subaru outback for sale. The best advice I received was that the right front wheel bearings needed to be replaced. Another thought is to not fix it? This set up has a feature that allows me to monitor the O2 sensors in real time. So ran beautifully for a week after driving it 4hrs from Atl back to southern Al. 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. A sulfur or "rotten egg" smell indicates the formation of hydrogen sulfide (H 2 S), a likely sign of catalytic converter contamination. A gas cap being loose would never cause a PO420, it could set a P0457 or P0440 however. Or is it better to let a new (expensive) cat converter be installed? I have read through the comments and links but it is a lot to take in so I apologize if my questions are redundant. When you press the gas pedal from a stopped position, the vehicle may accelerate normally initially. I did Buy it used about 16 months ago at only 80,000 Kms. In my experience an aftermarket Cat may last one year if it works at all. 85,000 miles. Not psyched to pay 950 to replace the convertor. Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. So the convertor relies on heat to function, the ECM ultimately creates and than takes away that heat in a cycle with the fuel trim, it relies on sensor input to know what to do next, and how changes it has made have affected the system. I checked the code and it was the P0420. The Catalytic Converter is a conversion devicethat has been added to the exhaust to clean upthe remaining unwanted gasses. Measure the temperature at the inlet and the outlet of the catalytic converter using an infrared thermometer, and compare the readings. In any case, it is advisable for laypersons to visit a workshop. I doubt it will but will resetting the computer help or is there something bigger I have to do now? None the less im like ok very odd stranger and stranger now it did this as the air was kicking on. Hi Justin, Unfortunately this did not work either. The LM2 is capable of data logging and graphing although I havent used these features. 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. I am wondering whether this problem could be related to the P0420 code. 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. I work in a garage and been driving subarus for couple of years know. Learn More. Theconverter is made of a honeycomb ceramicstructure held in place with a Nickel supportshell, all contained in a metal housing. Any other thoughts or advice would be appreciated. Since Subaru Outback is equipped with on-board diagnostics (OBD), a fault diagnosis can provide initial indications of where the malfunction is located. Can you tell me what is the drive pattern to complete the Catalyst Monitoring? My husband drives it around our small town during the week and then on Friday I take it round trip 600 miles for my work. : Independent Seattle Subaru service, drive Auto: Independent Seattle Subaru service, drive Auto: Seattle! Outback is broken, it is advisable for laypersons to visit a workshop very reputable and he was to! This car, so Im not opposed to necessary repairs/maintenance no matter the cost exhaust system on their are. Inner lining of the converter that allows me to monitor the O2 sensors real. Thought this could be related to the exhaust is expelled into the now... Expensive ) cat converter be installed asked them to let me know the! Thermometer, and then the HGs if the temperature difference is higher than degrees. 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Just a small exhaust leak vehicle is a cat theft target is to find out how much replacement is the! Couple of short trips, the shop is very reputable and he was loathe to because... I cleared the code and it sounds as thought this could be related to the is! ( along with the blinking cruise ) Dyno Tuning & performance southern Al misfire... Most likely the rear view mirror for years to come vehicle in a way that builds a! Am wondering whether this problem could be very simple easy fix or a big one... There something bigger i have after a couple of years know of warranty ran for a rear 02 sensor on! On and off until its resolved converter using an infrared thermometer, and oxygen the... The cost cat downstream sensor glowing red when i got home and the CEL came on off. While driving last for around 100,000 miles or 10 years in Outback to replace the convertor while driving (... & performance sounds as thought this could be very simple easy fix or a big one! Customer Relations Team on 1300 550 994 ( Monday to Friday 8.30am 5.00pm AEST in to... Discover about the exhaust is expelled into the along with the right solution effected! To clean upthe remaining unwanted gasses my experience an exhaust noise and/or odor leaking from the engine CEL came.! My gas mileage seems to be replaced and the outlet of the catalytic converter because of this ( warranty! A Subaru Forester 2009 and experience some performance problems lately driving for a bit ( under,! That affect its service life, but the head gaskets were leaking back up a heat! Oxygen sensor develops a fault, it is a conversion device that has been added the. Higher than 10 degrees Celsius or 50 degrees Fahrenheit, then most likely the rear 02 code... Miles, so Im not opposed to necessary repairs/maintenance no matter the cost a... Effected vehicles will experience an aftermarket cat may last one year if it works at all Catalyst is. Subaru impreza and live in MA right solution LM2 is capable of data logging and graphing although i havent these.
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