I just read your article. What do you think I should start with? Catalytic The bad news is, if you don't take care of your Subaru and it causes damage to one or more of the converters, you now have a bigger problem. Do you think I should just start with the head gasket leak and go from there? Now i do all this reading and searching and blah blah. I had a misfire and noticed the CAT downstream sensor glowing red when I was able to pull over. Web2006 Subaru: Engine and Cooling Products Search "Catalytic Converter" for 2006 Subaru Catalytic Converter Part Number: 44612AA490 Pipe Center Exhaust. I spent 3 hours with a shop today who specializes in exhaust systems. I replaced my spark plugs because they were due anyways, but that didnt clear the code. Your Subaru Forester leaves the factory with a catalytic converter. 83000 miles on it and I get the dreaded P0420 code. luckily I knew someone in the small town and he read the error code and said it was giving the p0172 code. Any other thoughts or advice would be appreciated. The Catalyst is very sensitive in most cars and if driven with an issue will almost certainly become a problem, its not the end of the world to need to replace one, and its a lot less expensive than buying another vehicle especially if this one has been good for you this far. It really helps to have a knowledgable Subaru mechanic give advice like your do. I dont dispute that the catalytic converter probably needs replaced. Its not a fuel ratio thing, not sure why that would come up? While this benefits the performance of the engine, it compromises the structural durability of the shell. 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. Thank you Justin, that is good to know! Converter etc. And so far $1400 in repairs and the check engine light is still coming on. Takata Airbag Inflator Recall. Kind regards, I checked my gas cap but, have not driven it around to see if it resets. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. Thanks for all of this information, it is really helpful. I had my regular Subaru mechanic check the code and it was 0420. I understand that the car has high miles and you want to keep the costs down, Converters are a huge expense especially for the OE. Hi Justin Earlier I pointed out that we will never achieve 100% combustion with the internal combustionengine, there will always be a by-product of combustion that we are trying to clean up. I really appreciate your informed answer and advice! 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). Do I need to test all of them or just the rear one? 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. Converter Configuration: Direct Fit. Adobe Digital Marketing. Poor acceleration Ken. i go have the code cleared maybe it was just burning some stuff off. The catalytic converter was allegedly replaced at a Subaru dealership under recall. They probably used non subaru gaskets and its possible they didnt do the whole tighten loosen step. My question is, would checking the CC, 02 sensors, etc. With 230,000 miles on it,I cant complain. THANKS. Hello, There may also be some firm ware update for your car as well that may address the issue. 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). The P0172 needs to be diagnosed and addressed and it just should not be driven until it has been I am afraid. Because of the integration of the pipe and converter assemblies, Subaru converters are very expensive. This will be covered by that fund. WebVehicle Recalls. If I do replace the cat I understand that both sensors should be replaced as well, but the front is less than 2 months old, with maybe 1000 miles on it. His Baja is currently just shy of 148,000 miles and I know that he wants to do whatever is best in order to get many more out of it. If you are unable to test, than trying the rear 02 sensor is the cheapest thing to try. I would very much value your input on what I should do with respect to the recommendations I am receiving. Thanks, There is also a Catalyst function test that can be performed out side of any sensor, that will tell you the ability of the convertor to work, it will not isolate left to right on your system however. A car you owned in the past had less technology and less strict emissions requirements. 85,000 miles. Any advice is appreciated. Also, Im looking at replacement cats online and I see on some places that theres a rear cat, other places it just shows a front cat that connects with the exhause manifold, and in other places theres what they call direct fit replacements where it looks like a rear and front cat but only the midsection (not up to manifold). Takata Airbag Inflator Recall. 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. Given the rattling, gas odor, CC inoperable, and the PO420, is it reasonable to assume the CAT needs replacing? nitrogen. Some weeks later, in early December, CEL came on. Fits Impreza, WRX 42 people have looked at this part recently Diagrams and Kits What This Fits Product Types Services EXHAUST. 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. Another thought, how much air pollution is caused in the production of a Catalyic Converter? Need to perform a Catalyst test and try to determine whats wrong. But after reaching a certain speed, the performance of the engine will drop due to blockage of increasing exhaust gases in the system. HGs replaced at 140K by Subaru. Hi Justin. I also noticed that my Coolant Reservoir was empty. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. The technician must determinewhy the catalytic converter light off is not happening. I did Buy it used about 16 months ago at only 80,000 Kms. Many thanks in advance! Appreciate it! This makes the converter more efficientat oxidizing HC into H2O and CO2. -Is diagnostic conclusive that I need a new cat? Save my name, email, and website in this browser for the next time I comment. Symptoms include the rattling sound over 3000 RPM, occasional low idling/stalling. Below we'll cover the location, price, and symptoms of a bad torque converter in your Forester. This commonly happens due to a bad upstream oxygen sensor, but can also happen due to a bad MAF sensor or worn spark plugs. The dealership we purchased from fixed a minor exhaust leak before we took delivery. Anyone heard of this? WebCatalytic Converter Part Number: 44102FE040 Exhaust Pipe Center. The cruise began blinking and engine light came on, but it went away after a while. I checked the codes today, no other codes besides the P0420. Last fall, the car went through 90,000 mile maintenance OK at the dealer. EXHAUST, Engine, CP - OEM Subaru Part # 44620AA750. All catalytic converters fail eventually since its a wearing part. Measuring the temperature of the catalytic converter in your Forester can also help you with determining possible inner restrictions causing excessive back pressure. Cat fooler is only installed after removing the catalytic converter. Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. If the LM2 will help to diagnose the problem, what is the correct testing procedure? The catalytic converter was allegedly replaced at a Subaru dealership under recall. Connect the hose of the gauge to where you removed the oxygen sensor. Thanks again for the extensive response and advice! Home Troubleshooting Subaru Outback clogged catalytic converter symptoms, causes, and diagnosis. I love the car, but the head gaskets were leaking. Lastly can I do any damage by running the car if the converter/s are damaged. Fouled plugs, bad oxygen sensor readings, worn valves or pistons and a number of other variables can cause internal catalyst failure. If ceriumis contaminated or the converter overheats,the converter is damaged. After about 3,000 miles driving, Check Engine light came on, and then went off a few times, but basically stayed lit for about a week or two. Most times if we make the repairs the same visit we will discount or waive the diagnostic fee. 2008 Legacy 2.5i Full Diagram #44102B EXHAUST. The Catalytic Converter is the single most important emission device in the vehicle. Thank you. I though great! With age and mileage, Im trying to fix this cheaply. Your catalytic converter replacement cost will depend on different factors, like labor costs where you live, and which Subaru model you drive. 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. We have many customers with 15 year old cars who just drive despite the light and convertor code. How is this test performedwhile driving or during idle? Yes, removing the catalytic converter is good for engine performance, as the engine can breathe more easily. Should I have asked for a Prenup.? My warranty goes to 84,000 or 7/31/14, needless to say i am relieved!! But after reaching a certain speed, the performance of the engine will drop due to blockage of increasing exhaust gases in the system. We would suggest the logic update first as its a lot of money. If your car complies, Subaru will pay part or all of the cost of a head gasket repair. The lights were on until the tank was about half empty and then went off. 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