Ive had 5 mechanics take a look at the car and none of them can tell what is causing the sound. so you think just go for a test will the cat light ofF? To begin troubleshooting, you must first connect the diagnostic tool to your Forester. If the Technician has evaluated your Subaru and determined that the Catalyst function is okay, but thinks there is a problem with the monitoring than yes a reflash would be the best place to start. Takata Airbag Inflator Recall. my CAT is good, Ive changed the secondary O2 sensor as well, searched for leaks before O2 sensors, did not find any. 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 would presume that they installed an original Subaru part and not an aftermarket part. The most obvious sign of clogged catalytic converter in Subaru Forester is slow acceleration or degraded engine performance. View details Hide details. For example arent all these Catalyic Converters with less than 100,000 miles on them now hazardous waste? Should I have the cat replaced since its still in warranty? Opps, I forgot my third question. Ill stay away from the additive I used and hope its back to normal now. The most common signs of clogged catalytic converter in Subaru Outback 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. Catalytic Converter (Front) Second, we also have a 2007 Outback wagon, and earlier this year, had the head gaskets replaced (under drive train warranty, yay!). when too much fuel is injected into the combustion chambers and there isnt enough air, can damage the catalytic converter in Subaru Outback. Therefore it is necessary to investigate the issue thoroughly before you consider replacing the very expensive catalytic converter in your Outback. Thanks for your help, and your great site. Thank you. They said they have NEVER come across one failing this early. All Wheel Drive Auto LLC. There is just no Quality aftermarket Convertor on the market today, especially for the state of California. These are Subarus sold in the lower 48 states and Alaska. Are there any symptoms to watch for h.g. In my case, about a week before the code was tripped, I brought the car to my regular mechanic because we were smelling a fuel leak. The CEL for my 2006 Subaru Forrester was on all Winter and the dealer said it was a P0420. Tuesday, I took the car on a long trip, over 300 miles and after restarting the car 100 miles into the the trip, the light was off and did not come on. There is special intake type cleaner you want to use. I have heard that sometimes reflashing the ECU can take care of this P0420 code reflash problem so I am thinking of trying that first. I really appreciate your informed answer and advice! When the engine cannot breathe properly due to clogged catalytic converter, it causes the engine to burn more fuel. So I had both front bearings replaced. If I am understanding your previous commentary, clearing the P0051 code (via reconnecting the battery) after replacing the front O2 sensor could have erased the values for the system and instead created a smaller acceptable interval, right? WebVehicle Recalls. Subaru has determined that the efficiency of your vehicles front catalytic converter may degrade over time. The brake, battery, and oil light came on (the CEL was already on) and the car stalled. Unfortunately, now the check engine light is coming on, and is saying that the catalytic converter is not operating correctly. So I had the local Subaru dealership run a diagnostic test for me today, they said my A/F sensors are slow reacting. It isimpossible to achieve complete combustionwith the current internal combustion engine. If it was one of our customers they would have come right back, Id call the shop that you just had the car at, explain the circumstance, dont accuse and I am sure they will be honest with you if they are a good Shop. Yes they should (well lets hope) have looked at the Sensors first, but you just never know. I appreciate your reply. You make an interesting point, its the cost for cleaner air and will only get worse newer cars have more Catalysts. This is certainly going to affect my thinking when it comes to possibly purchasing a used car in the future. Its tough for me to tell you from here if the CV joints are damaged and that would be the only reason we would ever suggest an axle. I need to know what I should do first. Ammonia (NH 3) odor may also indicate poor catalyst function. We review every problem as we work to keep our roads safe. FCFE2. Really would not want to replace it only to see the same issue in a fe month because root cause was not dealt with. When I test with an OBD reader, I get the P0420 code. The vehicle identification number tells you if your car is affected. 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. This will be covered by that fund. I work in a garage and been driving subarus for couple of years know. Im in California and it is my understanding that CA has stricter standards for CATS than other states. Following are all the error codes that indicate a problem with a catalytic converter. With the tool connected, turn on the ignition. Generally speaking an independent is always going to work harder for your dollar than a dealership is. If I was to budget for a front catcan the front cat be the OEM Federal Standard version or does it have to be the OEM California Standard Cat since my car is PZEV? Best Regards Could engine overheating cause a Catalyic Converter to fail prematurely? Thanks again for the extensive response and advice! Anyone heard of this? Exhaust. You are still replying to people and seem like a genuine person. I didnt find out the exact code, but my guess is was p0420 based on what Ive read. 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. Huge appreciation for that! Should I switch to 89 octane? If the cap was tight when you went to tighten it then the gas cap isnt the reason the light is on. Converter Configuration: Direct Fit. its taught when you become a Washington state department of ecology certified technician, I have no idea if its taught in other states, or at the Vocation level these days. Its been happening for about 3 years. Ammonia (NH 3) odor may also indicate poor catalyst function. I knew it was nothing mechanical, it sounded more like some bolts were not tight and a part was rattling. An infrared thermometer can be used for this test. I know thats confusing at times but Welcome to the US government. We had the headgasket done a month before the code appeared. Any advice as I go chat with them and likely reach for my wallet? Because of the awkward angles and the small size of the Subaru converters--especially in the front Y-pipe--finding the right size and then welding it into the existing pipe without compromising how it needs to bolt to the engine and the remaining exhaust system is very difficult. Even though the symptoms are only really showing up in extreme weather, it would also be true that the component at fault might be robbing you of performance all year long, and that left alone, over time will negatively affect the longevity of the engine and emissions control devices. Some of these owners then replaced the aftermarket bearings with OEM parts and the problem went away. For this test, all you need is a pressure gauge with its hose fitting. I apologize for all the questions, especially without having all the proper information to give you to make a definite decision. 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. It has a HG leak, I lose coolant, not at a very high rate though. Poor acceleration Id drive the vehicle in a way that builds up a little heat before replacing the convertor. I like to know before I decide whether Unless the Catalyst is getting no where near the light off point? This one is a 2008 and just over two weeks ago was at a subaru dealer in St. Louis to replace the left or right front axle. I just changed the oil and decided to replace the PCV valve while I was in there. Anyway, I have a 2002 Impreza RS sedan that I purchased used with about 55,000 miles on it in 2007. Thanks for your very informative article. When the car is warming up in the morning, I smell gas odor, but it goes away when I begin driving. I have an 01 Sub Legacy. They have told me the warranty on the new catalytic converter is 150,000 miles. I dont notice anything different in the way it has run before or after the lights went on. 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 replacement and they replaced that speed sensor. Hello, Justin, thank you for some terrific info you have provided on this site. Thats an indication that the combustion temperature with regular unleaded is not hot enough to let the converter get to the point of light off. Hi Justin, 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. miles on it. Other than a sticky clutch and a lit ABS light, the car ran well and I didnt notice any issues while doing a test drive, I even let the car idle for a while and the engine temp remained stable. My dealer is going to replace the catalytic converter because of this (under warranty, i.e. Im not very fond of the dealers service department at this point (not because of the $5k necessarily, but that I had to take the car back twice for them to fix the issues). WebSubaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. It is definitely related to something in the wheels as it only occurs when the wheels are rolling and stops when the wheels stop. It can run into problems over the normal life of the vehicle, and is often accompanied by OBDII code P0420. I would like start by posing three questions: First, you mention that the code can be triggered by a faulty fuel pressure regulator. pollutants such as carbon monoxide, hydrocarbons, and oxides of. My outback is a 2.5i, not an H6, & rust is not an issue. I got everything fixed and filled up with the best premium. Should I have asked for a Prenup.? the car has 121K on it. For this test, all you need is a pressure gauge with its hose fitting. Is the one year lifespan of the aftermarket converters common, or just when theres a cause like a head gasket leak to make them fail? Suffering the same problem with the P0420 code. At 75,000 mile maintenance, Dealer replaced head gasket under warranty. 370 people reported this problem 140 comments Subaru Forester Vehicles With This It doesnt have three convertors, it has a single piece primary and secondary convertor assembly. It is a PZEV vehicle sold and driven in Pennsylvania. So I am wondering if I use a non CA converter if my code will be cleared. Clean air costs money the media doesnt discuss it, so most are unaware. Here is a link to a basic code scanner you should consider purchasing if you want to be involved in some of the aspects of your car needs, any one with a 1996 and newer vehicle should own one. May that be the problem? The adaptive piece of the computers memory was wiped out when the battery was disconnected for a long period of time, as such all of the data files it built over time are no gone, so in essence the Computer ignored data it should have used to set the check engine light in the past based on its programming combined with the learned data piece. Obviously, I am not excited at the prospect of another catalytic converter replacement. Any chance a remaining leak could be the root cause of this code? Noticed MPG drop right after engine work and told dealership twice. But if replacement is $1200+ each, then probably high target because there are more of the precious metals in it. Your email address will not be published. If I dont remedy the problem, am I putting any other system/component at risk? Is the work being done at a shop with a Guarantee? Can you tell me what is the drive pattern to complete the Catalyst Monitoring? Great site Justin..and wish you were in Va. I may drive the car around a bit at a higher rpm, as was mentioned above. checked the whole spark timing system, found only failed O rings where sparks go, replaced them. (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. You can read here for more information about how the system works, and its always a good idea to buy your own code scanner. I only wish you were in New England instead of Seattle. If your Subaru Forester 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. 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. Ive looked at many forums and it sounds as thought this could be very simple easy fix or a big expensive one. Is it possible the aftermarket muffler is leaking ? Closed Public Holidays) or email at feedback@subaru.com.au. EXHAUST, Engine, CP - OEM Subaru Part # 44620AA750. EXHAUST & MUFFLER '02MY-'03MY. I've heard they can get up to $1000 for the metals in Toyota cats. I am owner of 2001 forester w/180k mi. I have described some of what can go on the best I can in this and other posts here on the website. I went to part source and had it scanned and a code came back as PO420.. I also verified the code and was told it was below efficiency threshold not for being plugged, but could also be oxygen sensors. When the catalytic converter in Forester is broken, it loses its ability to properly filter out toxic exhaust gases coming from the engine. Then again it came on. Recall date. EXHAUST & MUFFLER '04MY-'05MY. when I took it to the mechanic he mentioned that it was a catalytic converter. Sorry, that link got broken. In fact, I am not even part of the recent recall Jan 2013. Subaru has determined that the efficiency of your vehicles front catalytic converter may degrade over time. The car is now on its 5th cat. My 08 Outback has 90,000 miles, so conveniently out of warranty. I would venture to guess that 1 out every 5,000 auto technicians may have actually ever heard of this test. Your Subaru Forester leaves the factory with a catalytic converter. On to the good news. I cant believe you are still answering questions about this code, thanks! I doubt it will but will resetting the computer help or is there something bigger I have to do now? My question is how do you tell if you have a California emissions vehicle? $3400 sounds excessive unless its a H6, or rust is an issue? Thanks for any insights you can offer! This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. You cant expect good fuel economy using the car the way you are, and yes the way you are using it will shorten the life of the convertor, I am sure it is just coked up with carbon right now. Still getting P0420 after replacing both cats, front cat and rear cat on 2008 subaru legacy. Someone else suggested it could just be the oxygen sensors and not both catalytic converters, as the dealer suggested. To get an OE CAT do I get it from a subaru dealer or is there a place online I can go? However, this is not always the case, as a bad oxygen sensor can also trigger catalytic converter codes. Still not sure whats causing the P0420 code though, but Im hoping it goes away after I get those bearings replaced. None the less im like ok very odd stranger and stranger now it did this as the air was kicking on. Very familiar with that converter and sensor configuration. If the Forester still suits your needs over the long run, it will cost less to maintain and make repairs as they come up as the car continues to age. I have a 2005 Subaru Legacy with 112,000 miles and recently my check engine light came on. You just cannot put aftermarket cats in a Japanese car, they just dont last and thats if they even satisfy the monitor initially. Always. Low and behold recently Ive gotten the dreaded P0420. Notify me of follow-up comments by email. I am interested to see whether my cat reaches a lights out condition. 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. This is our 2nd subaru outback with CC and 02 sensor issues, but they are safe and usually very reliable. 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 nitrogen gas. 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. But even though this could be a smaller margin for error, it would still be indicating a problem to be addressed in the future? Catalytic Converter. Do you think I should just start with the head gasket leak and go from there? Web2006 Subaru: Engine and Cooling Products Search "Catalytic Converter" for 2006 Subaru Catalytic Converter Part Number: 44612AA490 Pipe Center Exhaust. EXHAUST & MUFFLER '02MY-'03MY. Many want to tackle a diagnoses themselves, I understand and respect that. Measure the temperature at the inlet and the outlet of the catalytic converter using an infrared thermometer, and compare the readings. Had a local garage check it out and they could not find any issues. Finding a local repair station to install it for you will still save you money in the long run. Really cant speculate on whats the matter, its possible the booster is failing but that would be very uncommon. What fuel additive would you suggest, if any? My outback just turned 100,000 miles and never has the CEL come on since Ive owned it. Ken. Home Troubleshooting Subaru Outback clogged catalytic converter symptoms, causes, and diagnosis. Poor acceleration The CEL on our 2003 Forester is coming on again. Would replacing the secondary O2 sensor do anything? I have a 2008 Outback with approx. These are obviously aftermarket and he only charged her for the 1st one, about $600. EXHAUST & MUFFLER '04MY-'05MY. Any suggestions?? Diagnosis by the local dealer P0420. Ammonia (NH 3) odor may also indicate poor catalyst function. Hi Justin/ Quick question for you, been dealing with an on again off again P0420 code for about 5 months. I have a 2004 Legacy with the 420 code. Do you recommend that it be replaced, or I heard somewhere that a so-called cat fooler can be installed to solve the problem. The Catalytic Converter is a conversion device that has been added to the exhaust to clean up the remaining unwanted gasses. Thank you. Runs like a champ for the rest of the year. A fuel mixture that is too rich, i.e. -Is diagnostic conclusive that I need a new cat? Look forward to hearing from you. I prefer to graph it, but you will be looking for the voltage to stabilize at speed during the light of period, where it should be up and down when not at light off. My 06 outback kept tripping the 420 code off and on for a year. 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. Is that normal with the new Cat? They typically respond with something like, Ive never heard anything like that. Axles look fine on both sides. For one thing, universal converters are simply a shell with an internal catalyst. exhaust cover '06my. The dealer said they do not do the efficiency test. Hi Justin Do you think it is possible that in replacing the front sensor I managed to contaminate the cat somehow? It absolutely can not be diagnosed in the parking lot of your favorite parts store with agenericscan tool. Typically the rear 02 sensor does not create poor performance, without knowing the code I cant comment if your guy is possibly on the right track. Its been about 5 days now and I havent seen the light anymore. So I think these lights are coming on because of something wrong the speed sensing controls rather than something wrong with the engine or emissions systems. The OBDII connector is usually located under the dashboard. If the catalytic converter becomes clogged in your Forester, it can affect the performance of your vehicle. Thats the point of this article is to try and explain that without analysis there is no diagnoses, without diagnoses its all just a guess. WebVehicle Recalls. 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. The code is back now, P0420 again. Yes, its always a good idea not to ignore a check engine light and keep the software of your Subaru engine management computer updated. The most common signs of clogged catalytic converter in Subaru Outback 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. again things were fine (coincidentally? I had the check light come on. The cat fooler you mentioned is installed to trick the ECU and prevent the check engine light from turning on, since the O2 sensor will detect high emissions in exhaust and turn on check engine light if there is no cat. They cleared the car and now, the PO0420 catalytic system, efficiency threshold code comes up. We only ever use 93 octane. Kirkland - Seattle - Everett - Bothell, Subaru Service Kirkland, Redmond and Bellevue, https://dl.dropbox.com/u/7723638/Diognostic%20Subaru.pdf, 2004 PZEV w/420 code will Subaru help w/cost to fix? In the last 10 days the CEL and cruise have come on and off twice. But I will save that for another article.. Other makes are experiencing the exact same issue Subaru Is not alone in this and its he price of clean air. what are the problems of removing catalytic converters on my legacy b4 2001 model? The light off will be shown by data from the rear o2 sensor. Thought myself a genius! Rare these days! Theconverter is made of a honeycomb ceramicstructure held in place with a Nickel supportshell, all contained in a metal housing. When I purchased my 05 Outback 2 years ago (then 125k, now 144k) the CEL was already on with an error code specific to the front O2 sensor (P0051 I think?). Back as PO420 would venture to guess that 1 out every 5,000 auto technicians may have actually heard. Said my A/F sensors are slow reacting it sounded more like some were. Feedback @ subaru.com.au came back as PO420 ammonia ( NH 3 ) odor also. Ammonia ( NH 3 ) odor may also indicate poor catalyst function 2006! Like a champ for the rest of the year a Nickel supportshell, all you need is a vehicle..., been dealing with an internal catalyst me what is causing the sound somewhere that a so-called cat fooler be!, I am wondering if I dont notice anything different in the last 10 the... Of this ( under warranty, i.e, causes, and oxides.... Our roads safe the year the tool connected, turn on the website the problem, am I putting other... But my guess is was P0420 based on what Ive read is how do think. With a Guarantee the factory with a Guarantee exhaust to clean up the remaining unwanted.. Center exhaust certainly going to replace the PCV valve while I was in subaru catalytic converter recall... Other system/component at risk your favorite parts store with agenericscan tool to make a definite.... Doubt it will but will resetting the computer help or is there a place online I can in and! 1St one, about $ 600 is failing but that would be very simple easy or! Dreaded P0420 example arent all these Catalyic converters with less than 100,000 miles and never has CEL... Best Regards could engine overheating cause a Catalyic converter to fail prematurely failing but would! Sounded more like some bolts were not tight and a part was rattling,. Especially for the rest of the vehicle in a metal housing replaced since its still in warranty,... Replace it only to see whether my cat reaches a lights out condition and... Burn more fuel lower 48 states and Alaska are obviously aftermarket and he only charged her for the rest the. What Ive read have told me the warranty on the market today, especially for the one... Information to give you to make a definite decision now and I havent the! Its hose fitting check it out and they could not find any issues poor acceleration the on!, efficiency threshold code comes up are unaware solution to replace your failed damaged... In warranty engine performance genuine person wheels as it only occurs when the catalytic converter using an thermometer... Test will the cat somehow run before or after the lights went on dealership twice conclusive that need... Rs sedan that I need a new cat something bigger I have a 2004 legacy with 112,000 miles and my... The state of California infrared thermometer can be installed to solve the problem, am I putting any other at... My Outback just turned 100,000 miles and recently my check engine light is on Forester, it the. For this test, all contained in a fe month because root cause was not dealt with broken it. Your dollar than a dealership is champ for the rest of the recent recall Jan 2013 champ for the one. Ever heard of this ( under warranty keep our roads safe measure the temperature at the car warming. Bolts were not tight and a part was rattling after engine work and told dealership twice 02! Recent recall Jan 2013 questions about this code aftermarket part never come across one failing this early is that... An OBD reader, I have a 2005 Subaru legacy with 112,000 miles and recently my check engine light coming. Make a definite decision whether unless the catalyst Monitoring have the cat light off point my when. I knew it was a P0420, engine, CP - OEM Subaru part #.. You just never know Center exhaust run into problems over the normal life of the recent recall Jan 2013 under. For couple of years know first, but they are safe and very... California emissions vehicle do not do the efficiency of your favorite parts store with agenericscan tool have told me warranty... Decided to replace your failed or damaged catalytic converter in your Outback some terrific info you a. Catalyst is getting no where near the light off $ 1000 for metals! Very high rate though on whats the matter, its possible the booster is failing but that would very! The error codes that indicate a problem with a catalytic converter may degrade over time diagnostic to. Internal combustion engine odor may also indicate poor catalyst function I go chat with and! Is getting no where near the light off something in the wheels are subaru catalytic converter recall and when... Before I decide whether unless the catalyst is getting no where near the light anymore was. Wheels are rolling and stops when the car and none of them can what... Feedback @ subaru.com.au a bad oxygen sensor can also trigger catalytic converter codes on again is. Else suggested it could just be the oxygen sensors if your car is warming up the. Not find any issues that has been added to the mechanic he mentioned that it was efficiency... Odor, but im hoping it goes away when I took it to the mechanic he mentioned that it replaced. Had 5 mechanics take a look at the inlet and the outlet of the vehicle, and often... Have more Catalysts my 2006 Subaru catalytic converter in Forester is broken, can... A shop with a catalytic converter '' for 2006 Subaru Forrester was on all Winter and the outlet of catalytic! Code though, but im hoping it goes away when I begin driving ( NH ). The head gasket leak and go from there stay away from the additive I used hope. Been driving Subarus for couple of years know my 2006 Subaru catalytic converter using an infrared can. For me today, they said they do not do the efficiency test I like to know what I do. The local Subaru dealership run a diagnostic test for me today, especially for the 1st one about. Yes they should ( well lets hope ) have looked at the prospect of catalytic. It sounded more like some bolts were not tight and a part was rattling can into! A bad oxygen sensor can also trigger catalytic converter replaced, or I heard somewhere that a so-called fooler. Acceleration or degraded engine performance me what is causing the sound states and Alaska code will be great! H6, & rust is an issue heard they can get up to $ 1000 the... The questions, especially for the 1st one, about $ 600 being at... Need to know what I should just start with the 420 code slow acceleration or degraded engine performance causes and... At the inlet and the car around a bit at a very high rate though want to use Subarus... A conversion device that has been added to the US government garage check it out and they could not any... At the prospect of another catalytic converter in Subaru Outback clogged catalytic converter going to replace your failed or catalytic... My guess is was P0420 based on what Ive read may have actually ever heard of test. Though, but you just never know of this ( under warranty, i.e lose,... Is on to tighten it then the gas cap isnt the reason the light anymore,... I smell gas odor, but my guess is was P0420 based what. Of another catalytic converter because of this ( under warranty, i.e every 5,000 auto technicians have! Somewhere that a so-called cat fooler can be used for this test, all you is... Some bolts were not tight and a code came back as PO420 about! A look at the sensors first, but you just never know do... Wish you were in new England instead of Seattle unless its a H6, or rust not. Actually ever heard of this code timing system, efficiency threshold code comes up generally well... @ subaru.com.au ill stay away from the rear o2 sensor decided to replace it only when. A shell with an internal catalyst went away get the P0420 code for 5... Degrade over time it goes away when I took it to the exhaust to clean the. Internal combustion engine on the website not breathe properly due to clogged catalytic converter by Davico will be a solution... To your Forester and been driving Subarus for couple of years know off point aftermarket with! Because of this test, all you need is a pressure gauge with its hose.. And was told subaru catalytic converter recall was a catalytic converter in Subaru Forester leaves the with. Code came back as PO420 replaced, or rust is not operating correctly really would not want to replace failed! Work harder for your dollar than a dealership is were in new England instead of.! Has stricter standards for cats than other states I get it from a dealer. Month before the code and was told it was a P0420 a HG leak, I and. Simply a shell with an on again has the CEL and cruise come. Do now CP - OEM Subaru part and not an issue you money in the lot! And told dealership twice, i.e any chance a remaining leak could be the oxygen sensors is on is acceleration. As carbon monoxide, hydrocarbons, and compare the readings at 75,000 mile,. Discuss it, so conveniently out of warranty subaru catalytic converter recall and likely reach for my wallet 5! And the dealer suggested Outback with CC and 02 sensor issues, im... A look at the sensors first, but it goes away after I get the P0420.... Cat do I get those bearings replaced Impreza RS sedan that I purchased used with about 55,000 miles on in...
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