Hi Justin/ My mechanioc doesnt think the additive would have been enough to make the difference in the fuel ratio. What questions should I ask befroe replacing the Cat Conv? Poor acceleration Having said that which ever component the fuse is protecting may have an issue and thats the place to start is with a resistance test of the circuit and the component or load. 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 suspect they did not do much more than that. I should have addressed it right away, but I didnt need my emissions tested until this year. Have a 2008 Outback 2.5i Pzev and got a P0420 code after a HG change (external coolant leak). it could be worth importing them myself from what Ive read online most Subaru ones appear to only be around the $1000 each mark. I have a few Questions to help educate myself of the safest rout to go. I bought a fel-pro head gakest kit and changed all the gaskets on the way in as well. I am wondering whether this problem could be related to the P0420 code. 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. Subaru makes a Great Safe & Reliable AWD vehicle. Any help or suggestions would be GREATLY appreciated. 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. FCA03. Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. Full disclosure, the shop is very reputable and he was loathe to fix because he wasnt confident what was the right solution. 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. Full My wife drives the car now only for short, local trips and not much highway. Also verified it had never come up before since they were the servicing dealer. Driving up Mount Rainier was not an option here for me, but running up and down some local hills in 3rd gear and about 4800 sustained RPMs (plus the 93 octane and the Gumout gas treatment) cleared the CEL in short order. 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. Very good advice on P0420. My check engine light is on with the code P0420, which i have been instructed to replace the 02 sensor. Thanks for reading. 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. Id like to get the issue diagnosed properly and was wondering what it would cost for the initial check by AWD Service? Argument was it is winter gas blend and just a coincidence. There is a more accurate way to check if the catalytic converter is clogged in your Subaru Outback. Air bags. Should it get back to where it was once its broken in? They are now taking about replacing the catalytic converter. A professional mechanic can swiftly diagnose the problem for you. So it doesnt help me determine whats wrong but puts the odds in favor of the convertor being restricted with carbon and not reaching temperature. I found you doing research about my P0420 code on my 2015 Subaru Forester turbo xt. I find this hard to believe and too much of a coincidance that this occurred following our service. Adobe Digital Marketing. https://dl.dropbox.com/u/7723638/Dioc%20Subaru.pdf. A week and $5k later CEL was back on and car was stuttering, shifting and idling rough, so I took it back not once, but twice for them to adjust. He said it often is the sensors or an exhaust leak but these seemed to be operating fine and there was no exhaust leak evident. Anybody that has pulled the code just wants to replace the cat or sensors with theirs. P0420 returned, and I tried CatClean in the gas tank Cannot find any reference. Adobe Digital Marketing. 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 Subaru Catalytic Converter Location COIA Contents [ hide] I just purchased an 08 outback its beautiful more or less rebuilt engine bay exhaust in the last 50k miles new suspension got a great deal she runs swell no issues at all other than a couple expected oil leaks it has 219K miles on it mostly highway the guy worked 70 miles away in 1 direction!!!! A restricted convertor will negative affect fuel economy. For about 9 months now, Ive been getting strange noises from the front end. Hello, Second, I installed a Torque Pro App on my android phone and purchased a blue tooth compatable code sender. I would have some one give you a whats factually needed type evaluation before breaking up. Thank you in advance for your help, I am going to go lube her up and look under her hood so she knows I still lover herfor now. Learn More. This is my normal driving style as the wifes is at a normal driving range. Thank you. View details Hide details. 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. I cant tell why its giving this code. I have a Subaru Forester 2009 and experience some performance problems lately. I cant offer any savings on Convertor, there is no margin. 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. Learn More. ), 2. A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. However the drivability concerns and the 420 code are not related, unless excessive misfires have damaged the Convertor. Full Diagram #44102B EXHAUST. When the catalytic converter in Outback is broken, it loses its ability to properly filter out toxic exhaust gases coming from the engine. Testing now. Hes supposed to leave on a 600 mile trip tomorrow and the Subaru dealer wouldnt commit as to whether the car is okay to drive as is, so he will be borrowing my car for the next few days. WebSubaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. 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? Ive had 5 mechanics take a look at the car and none of them can tell what is causing the sound. Many converters on Subarus begin at a front Y-pipe that bolts to both sides of the engine. Could, over time, a caps plastic threading weaken/degrade allowing it to work itself loose with regular driving?! I have a 2004 Legacy with the 420 code. Thank you. To get an OE CAT do I get it from a subaru dealer or is there a place online I can go? Was informed there is a "just out" recall to replace the catalytic converter. WebShop 2022 Subaru Outback Base Catalytic Converter (Front). They are telling me that the catalytic converter has failed, and needs to be replaced at a cost of $3400! There is special intake type cleaner you want to use. what does one do i am going to buy a digital full read out obd2 connector for my phone i can leave attached to get some live data recorded but im currently left scratching my head as to what to do now Other than start collecting live data snapshots of the moment it shows up. 05 Legacy sedan 230,000 miles, had a rebuilt motor put in less than a year ago. This causes the vehicle to fail an emissions test. I thought I was being proactive in changing the oil frequently. Unless your 2008 has over 80,000 miles its still under the Federal Emissions Component Warranty. But the mechanic felt after all this testing, checking on Identifix (checked US threads) and talking to the local Subaru dealer that he couldnt nail down any one cause. Even if its not scientific, Id like to know. WebThe Subaru catalytic converter safety recall impacts over 240,000 vehicles worldwide. With so many converters, one of them is bound to need replacement at some point. We drove 600 miles this weekend with the Brake light, Traction control and CEL along with the blinking cruise control winking at us and got great gas mileage. Ammonia (NH 3) odor may also indicate poor catalyst function. I cant understand how the catalytic converter has to be replaced after only 110,000 Kms- given the Subaru has been so perfect, Ive also had people tell me that Subaru turbo engines are finicky and will probably have to be replaced soon!? The catalytic converter is part of the exhaust system in Subaru Outback 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. Now I need to go talk to them to see what they did. We review every problem as we work to keep our roads safe. I have a 2003 Subaru Forester with a P0420 trouble code. Following are all the error codes that indicate a problem with a catalytic converter. I am considering to keep my subaru another 100k. 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). Sorry, that link got broken. It starts with the Octane levels of our Fuel, Continues with the price of precious metals. If replacement is $200-$300, probably not a high target. The O2 sensor in Forester 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. Heres the $500 question: do I spend the money to keep her on the road for a while longer or is she going to be a money vacuum? That can have an affect as well. Converter Configuration: Direct Fit. So the car is literally is a few thousand away from warranty on the Catalytic. If the LM2 will help to diagnose the problem, what is the correct testing procedure? Rich A/F Ratio My outback just turned 100,000 miles and never has the CEL come on since Ive owned it. Measure the temperature at the inlet and the outlet of the catalytic converter using an infrared thermometer, and compare the readings. This should work: I may drive the car around a bit at a higher rpm, as was mentioned above. Adobe Experience Cloud (Audience Manager) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization, Cross Device Tracking, Optimization. Subaru's number for this recall is TKC-20. If I drive it until it gets to full temp and turn it off she wont start back up for 15-30 minutes, almost as if its flooded, turns over fine, just wont fire up. Front ) was once its broken in when the catalytic converter ( front ) even if not! Believe and too much of a coincidance that this occurred following our Service light is on with the price precious! Work to keep my Subaru another 100k i have a 2004 Legacy with the Octane levels of our fuel Continues... `` exhaling '' the exhaust are telling me that the catalytic converter error codes that indicate a problem a! The inlet and the outlet of the catalytic converter to properly filter toxic... 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