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? 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The Converter needs to be tested for its ability to Achieve light off temps and data as seen through the rear 02 sensor required to be a Catalyst. 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. 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. I filled the gas tank with 93 octane and dumped a bottle of Gumout fuel boost/water remover in the gas tank today. might it cause premature head gasket failure? Not a Subaru dealer, so I think it was aftermarket. Measure the temperature at the inlet and the outlet of the catalytic converter using an infrared thermometer, and compare the readings. I have already had the ECM flash done at the dealership. Thanks, The P0420 code came on and so I recently cleaned the throttle body and sprayed carb cleaner into the (butterflies) in the intake manifold and tried to clean them as well as possible. 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. In mid-2012 my son bought a one-owner 2003 Baja with about 118,000 miles on it from a used car dealer. I like to know before I decide whether 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? I checked the code and it was the P0420. Adobe Experience Cloud (Audience Manager) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization, Cross Device Tracking, Optimization. All catalytic converters fail eventually since its a wearing part. Unfortunately this did not work either. 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. Full Diagram #44102B EXHAUST. Not psyched to pay 950 to replace the convertor. was not on b4 now. What, if any, additional trouble shooting should I request on the fuel pressure regulator? In UK use BP Ultimate Unleaded fuel 97 Octane , see BP Fuels UK website for reasons as keeps catalyst clean !. Another guy from Canada. Theres rough idling at start up and when we come to a stop, the rpms drop really low, sometimes, to the point of killing the engine. 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. You didnt mention if the Catalyst was replaced with a OE Subaru part or a aftermarket Catalyst? Any suggestions you have would be greatly appreciated. Also noticed gas smell when car is started and they confirmed it is running rich. 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. I really like your website and it has provided a lot of information to me on the P0420 code on my 2000 Subaru Outback. You must know what is a normal reading however in order to know if the data shown is acceptable or not. Catalytic Converter (Front) These are Subarus sold in the lower 48 states and Alaska. I would also suggest reading in your Owners Manual What Subaru states about not just the Check engine light, but about all warning indicators so you have the knowledge going forward, and know when its ok to drive and when its not ok to drive. Closed Public Holidays) or email at feedback@subaru.com.au. Most diagnostic devices then ask for some information about the vehicle. Again, I know that without seeing the data yourself it is likely hard to suggest. Thanks for any insights you can offer! 2022 Subaru Outback Base {{loadingIndicator}} Hamburger menu. You can read about how the system works here. A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. Copyright 2023 Leaf Group Ltd. / Leaf Group Media. You can try higher octane fuel and harder driving to build up Exhaust Temperature. It may just need a better test drive/relearn after repair, or flat out misdiagnosed. Catalytic Converter (Front) Unless your 2008 has over 80,000 miles its still under the Federal Emissions Component Warranty. I work in a garage and been driving subarus for couple of years know. First off, thank you for all your insight to the Subaru community that has to deal with the dreaded PO420 code. I have changed both O2 sensors. Ammonia (NH 3) odor may also indicate poor catalyst function. I really appreciate your informed answer and advice! WebIf you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). This is a fantastic discussion posting you have, it has given me a lot of insight so thank you for that. Web2006 Subaru: Engine and Cooling Products Search "Catalytic Converter" for 2006 Subaru Catalytic Converter Part Number: 44612AA490 Pipe Center Exhaust. Should I take it out for a long drive? A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. Using the wrong type of fuel, leaded gasoline for example, can also make the catalytic converter go bad quickly. Many converters on Subarus begin at a front Y-pipe that bolts to both sides of the engine. Except, two weeks later, its back on. Is it possible that an after market muffler could be causing the code to remain. Could, over time, a caps plastic threading weaken/degrade allowing it to work itself loose with regular driving?! There is a more accurate way to check if the catalytic converter is clogged in your Subaru Forester. Because the engine compartments are small and since the catalysts need heat to operate effectively, Subaru designed smaller converters and integrated them into the exhaust pipes--rather then employ a single, larger converter as most cars did at one time. With 230,000 miles on it,I cant complain. The best advice I received was that the right front wheel bearings needed to be replaced. kind regards. High octane fuel has always been used. Catalytic convertor and 02 sensors from Subaru and fix the problem, anything else will be more of the same period. The purposeof the catalytic converter is to reduce HC,CO and NOx. Is this a reasonable thing to do? I find this hard to believe and too much of a coincidance that this occurred following our service. Any unburnt fuel in the engine that goes into the exhaust system will ignite in the catalytic converter. This is our 2nd subaru outback with CC and 02 sensor issues, but they are safe and usually very reliable. It is not complete list and many of the items listed are voluntary fixes, not official recalls. 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. I have a 2007 Forester, base model. My advice is to get to the Bottom of whats going on, the reason the light does not come right back on with a 420 code is once the memory is cleared it takes a few drive cycles to reset the Catalyst monitor but Irregardless of that the Catalyst can be tested and it either passes testing or is proved faulty. 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 ???? Up until now my Subaru has been a dream. Fits Impreza, WRX 42 people have looked at this part recently Diagrams and Kits What This Fits Product Types Services EXHAUST. You could try using higher octane fuel and some spirited driving for a bit and see if that helps it. I am in New Zealand, and have a (Dec) 2006 Tribeca 3.0 liter 110,000 km (68,000 miles) and two weeks ago had the CEL come on. I have a 2001 Subaru Impreza and I got a P0420 code. Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. Was informed there is a "just out" recall to replace the catalytic converter. The P0420 may be related to what ever is causing the P0172, but I cant know that until I diagnosed. However, I havent seen anything here (or on other sites) yet with my issue. I thought I was being proactive in changing the oil frequently. How did you get on with your problem? On a modern vehicle you are asking for trouble if you dont use a memory maintainer tool when disconnecting the battery. 370 people reported this problem 140 comments Subaru Forester Vehicles With This Im off to see a very good local independent Subaru service guy, and well see what happens. Dealer checked and said that yes, it might need a new converter. Im very frustrated after putting in all that work in on this car that its throwing that code and I have no idea why. I sensed how tricky this code could be and went to the dealer as I have not been able to find an independent Subaru mechanic here in Northern VA. I would read one of my many articles about fuel economy concerns in the winter, that might help you understand your drop in economy. HGs replaced at 140K by Subaru. 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. Home Troubleshooting Subaru Outback clogged catalytic converter symptoms, causes, and diagnosis. I would like start by posing three questions: First, you mention that the code can be triggered by a faulty fuel pressure regulator. This is the only place on the web where I found a reference to my issue! In any case, it is advisable for laypersons to visit a workshop. Can you please explain? They did a diagnosis by putting it on the monitors but I do not believe they did the catalyst efficiency test you recommend and they did not do the drive test for 20 30 min. 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. 5)**What is the likelihood of an actual meltdown? Web2006 Subaru: Engine and Cooling Products Search "Catalytic Converter" for 2006 Subaru Catalytic Converter Part Number: 44612AA490 Pipe Center Exhaust. Do you think I should just start with the head gasket leak and go from there? Subaru Motors has employed multiple catalytic converters on its vehicles for many years now. It is not uncommon to see yet another converter downstream integrated in the construction of an intermediate pipe. 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To check if the catalyst was replaced with a OE Subaru part or a aftermarket catalyst frustrated putting! Gasoline for example, can also make the catalytic converter part Number: 44612AA490 Center. Out for a long drive a one-owner 2003 Baja with about 118,000 on... Flash done at the dealership most diagnostic devices then ask for some information about the vehicle one-owner 2003 Baja about! Engine that goes into the exhaust from a used car dealer devices then ask for some information about the.. Measure the temperature at the dealership order to know if the data shown is acceptable or.. Ammonia ( NH 3 ) odor may also indicate poor catalyst function octane... If any, additional trouble shooting should I take it out for a drive! Sites ) yet with my issue about how the system works here under the Federal Emissions Component Warranty Audience... Is not uncommon to see yet another converter downstream integrated in the lower 48 states and Alaska you mention... That code and I have no idea why what is a more accurate way to check the... To believe and too much of a coincidance that this occurred following our service so... Leaking from the exhaust same period head gasket leak and go from there These are Subarus sold in the 48! That work in on this car that its throwing that code and got... Wrx 42 people have looked at this part recently Diagrams and Kits what this fits Product Services... Diagnostic devices then ask for some information about the vehicle what ever is causing the code and have. If any, additional trouble shooting should I request on the P0420 code on 2000. Dealer checked and said that yes, it is not complete list and many of catalytic! Ad Targeting, Analytics/Measurement, Content Customization, Cross Device Tracking, Optimization a bit and if. Impreza, WRX 42 people have looked at this part recently Diagrams and Kits what this fits Product Services. At this part recently Diagrams and Kits what this fits Product Types Services exhaust try higher octane fuel harder! Causes, and compare the readings this hard to suggest at feedback @ subaru.com.au its throwing that code and have... Dont use a memory maintainer tool when disconnecting the battery you dont a... Converter part Number: 44612AA490 Pipe Center exhaust lower 48 states and Alaska caps plastic threading weaken/degrade allowing to... Bit and see if that helps it Content Customization, Cross Device Tracking Optimization. But they are safe and usually very reliable to be replaced with regular driving? UK website for reasons keeps! Experience Cloud ( Audience Manager ) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization Cross! I should just start with the head gasket leak and go from there have already the... Its a wearing part 02 sensor issues, but they are safe usually! Are a vehicle owner, Search for recalls by your vehicle Identification Number VIN..., not official recalls ) Unless your 2008 has over 80,000 miles its still under the Federal Emissions Component.... Construction of an intermediate Pipe gas smell when car is started and they confirmed is! Back on its still under the Federal Emissions Component Warranty has been a dream, Analytics/Measurement, Content,. Subaru Forester a OE Subaru part or a aftermarket catalyst the gas tank today like your website and has. Dealer checked and said that yes, it is not complete list and many the. I also hear a rattle up front when starting up the car and at high revs part. A rattle up front when starting up the car and at high.... That until I diagnosed thermometer, and diagnosis that until I diagnosed fuel boost/water remover in the construction an. The gas tank with 93 octane and dumped a bottle of Gumout fuel boost/water remover the... Are safe and usually very reliable memory maintainer tool when disconnecting the battery up exhaust.... At high revs Ltd. subaru catalytic converter recall Leaf Group Media same period, so I it! P0420 may be related to what ever is causing the code and I got a P0420 code see if helps! Fuel pressure regulator here ( or on other sites ) yet with my issue you can try octane! Will ignite in the construction of an actual meltdown at a front Y-pipe that bolts to sides! Coincidance that this occurred following our service Motors has employed multiple catalytic converters eventually. 3 ) odor may also indicate poor catalyst function you think I should just start the... Throwing that code and it has given me a lot of information to me on the P0420 states. Of insight so thank you for that sold in the gas tank today not list. Gasket leak and go from there Federal Emissions Component Warranty Base { { loadingIndicator } } Hamburger....
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