Thanks in advance for any advice you care to give. If you have a heart monitor that states your dead, but your talking the first thing a good practitioner will do is swap out the sensor before pronouncing you dead. shortly after I purchased c.e.l. First of all, only replace the catalytic converter if youre sure its the cause of the problem, since its an expensive part. Yes to the BG product and higher octane fuel as a possible resolution to the 420 code. so you think just go for a test will the cat light ofF? He has put 29,000 miles on the car over the past 15 months, all highway driving (he travels long distances for his job). If the cat converter is removed, will it change the beat of the Subaru substantially? WebThe Subaru catalytic converter safety recall impacts over 240,000 vehicles worldwide. Many thanks in advance! took her to the shop to get the oil cleaned off the engine and have it looked over to see whats coming up in the repair chain of events. Also do Tribeca CCs cost that much in the USA i.e. While waiting for the tow truck I looked up the symptoms and most pointed to a bad front O2 sensor or possibly a bad TBS. In other words my engine was running hot for the first 20,000 miles or so. I find this hard to believe and too much of a coincidance that this occurred following our service. I love the advice you give. One of the more common codes we see on the Subaru, is P0420 CatalyticConverter Efficiency Below Threshold. Should I replace the aftermarket front bearings with OEM bearings? 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. https://dl.dropbox.com/u/7723638/Diognostic%20Subaru.pdf. Toggle navigation. I am sorry I know thats not what you want to hear, its interesting there is no coverage thats a crazy loophole from the sounds of it. However, my cruise control isnt working. we just purchased it and picked it up last night, and while the wife was driving it to work, got all manner of lights flash up. 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. Poor acceleration 180,xxxkm Not psyched to pay 950 to replace the convertor. I am not knowledgeable about cars so any help that you can give me would be greatly appreciated. The code is back now, P0420 again. Hope she doesnt find out Ive been talking about her like this. I have described some of what can go on the best I can in this and other posts here on the website. 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. I am interested to see whether my cat reaches a lights out condition. After driving the vehicle hard for a bit it may go away, but you most likely had a on its way out Catalyst and now that the ECM is merely looking at pass fail data in a narrow way its easy to spot the issue. However, due to high cost of the component, it is recommended to perform multiple diagnostic tests to verify if catalytic converter is actually the cause of the problem. I like to know before I decide whether Cat fooler is not installed from the factory, its a cheat device. If the Rear O2 sensor was tested out side of the data you gave me than yes the Catalyst is not reaching light off and will need to be replaced to satisfy the check engine light and the P0420 code. What must be done next is to determine the correct answer to that question, by testing the rear o2 sensor and by performing a catalyticconverterefficiency test and evaluating fuel trim. I have a 2008 Outback with approx. Hello, I have a 2001 Subaru Forester with 111,000 plus miles on its 2.5 liter engine. Ammonia (NH 3) odor may also indicate poor catalyst function. Should I have the cat replaced since its still in warranty? MAYBE you can assist me here..i have a 2011 forester diesel turbo. The light went off a month ago and has not come back on after a few 1000 miles. In my experience an aftermarket Cat may last one year if it works at all. A professional mechanic can swiftly diagnose the problem for you. What I am trying to explain to you is that just because a part was replaced in the past does not mean that its ok today. Your email address will not be published. I just changed the oil and decided to replace the PCV valve while I was in there. You didnt mention if the Catalyst was replaced with a OE Subaru part or a aftermarket Catalyst? I just purchased a used 2000 forester with 240k miles, the PO said the head gasket was changed as well as other maintenance but they didnt have any paper work. Hi Justin, Unbolt the oxygen sensor near the inlet of the catalytic converter in your Forester. Im a little bit at a loss on how best to help you here. CEL has been off for about 2 weeks but came back on last night (no driveability problems). Lately, the CEL will come for a few days and then go off a few days. The advice I typically give is to get away form the Stealership, and look for a great independent. I got everything fixed and filled up with the best premium. I would very much value your input on what I should do with respect to the recommendations I am receiving. The car drives very well, there is no smell from the converter. They re-set my CEL, so it is not on now. Connect the hose of the gauge to where you removed the oxygen sensor. So I had both front bearings replaced. I know thats confusing at times but Welcome to the US government. The cat fooler is installed between the pipe and o2 sensor. EXHAUST & MUFFLER '02MY-'03MY. In mid-2012 my son bought a one-owner 2003 Baja with about 118,000 miles on it from a used car dealer. Quick question for you, been dealing with an on again off again P0420 code for about 5 months. The shop told me they used Beck Arnley bearings and that is one of the brands that some owners reported having problems with. Any suggestions would be greatly appreciated. If it does than its possible something secondary is at fault. Subaru has determined that the efficiency of your vehicles front catalytic converter may degrade over time. Hello I keep coming back to you so now Im going to ask. After dumping money into these repairs, last thing I want to find is that I now need more expensive repairs. russellpat Registered 2022 Outback Touring XT. I can see from your article that diagnosing this code is very tricky and I would like to bring as much knowledge of the situation with me so I speak intelligently with my mechanic. Will the check engine light still come on the less minerals/meterial Federal Catwill the ECU on the pzev version be a problem on the Federal Rated Cat vs. the California one? My wife drives the car now only for short, local trips and not much highway. A partial zero emission vehicle (PZEV) is an environmentally friendly automobile that meets strict standards. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. The catalytic converter aids the conversion of these. If its over 80,000 miles than you should budget for a Catalytic converter Replacement in the Future. I am considering to keep my subaru another 100k. Do you know of any independent subaru qualified mechanics in my area? vapor, nitrogen, and oxygen before the exhaust is expelled into the. Any unburnt fuel in the engine that goes into the exhaust system will ignite in the catalytic converter. Your Subaru Forester leaves the factory with a catalytic converter. 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. Full Diagram #44102B EXHAUST. We had the headgasket done a month before the code appeared. Thanks for your reply Justin. Model Year Carline Affected Production Dates 2015-2016 Legacy 12/16/2013 9/30/2015 2016-2016 Outback 12/9/2013 9/30/2015 Lift the vehicle, allowing easy access to the catalytic converter. It is impossible to achieve complete combustion with the current internal combustion engine . Helps your vehicle emit harmless gases Direct OEM replacement. Normally these warnings lights come on when Im cruising down the interstate and all of a sudden the cruise pops off, the CEL comes on, and the cruise light begins flashing. Thanks, I look for people with passion and keep them close, your passion is obvious and I appreciate you sharing your time and talent. So the information I pasted above from your post. The lights were on until the tank was about half empty and then went off. Probable causes I noticed no difference in the way the car sounded or ran. 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. Buy an O.E. 2008 Legacy 2.5i 1) ** Could the abrupt stop/stall (manual) have had anything to do with the CEL P0420 coming on? Should I switch to 89 octane? In some newer applications, a third or fourth smaller converter is also integrated into the construction of the pipe. They are adamant its not an O2 sensor as they said there are different codes for that. 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. So these sort of problems may be getting more common with the newer models. Its also had Head gaskets, timing belt and all maintence done at proper times. You could try using higher octane fuel and some spirited driving for a bit and see if that helps it. I have a 06 Legacy with 130,000 miles. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. After I changed the sensor, that code went away and the P0420 came up. I would venture to guess that 1 out every 5,000 auto technicians may have actually ever heard of this test. Justin, Thanks for getting back to me. I am in WY where it gets cold. Look forward to hearing from you. After buying the car and about an hour into my two hour trip home, the engine light came on. Your catalytic converter replacement cost will depend on different factors, like labor costs where you live, and which Subaru model you drive. 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. Learn More. typically be part of a 100,000 mile check up? A one time fuse blow can be a spike like the Tech assumed, but when its twice that indicates an issue that needs to be diagnosed. Recall date. hey justi, we have a 2007 legacy with 180000, we were driving home and the car felt like it was holding back and wouldnt get up past 40mph and made growl type noise at passenger side airbox, the engine sounds perfect just no power dealership replace mas sensor and tol me it was fixed went to drive home didnt make it out of lot, whats your opinion? 06 Outback manual trans. Does this help determine if its the cat or something less expensive to fix. My mechanic is telling me that both O2 sensors are operational which leaves him to believe that its the front Cat. 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 vehicle identification number tells you if your car is affected. Ill even give you a good deal. I have a 2006 Subaru impreza and live in MA. In late April I took my 2007 Forester, 59,000 miles, to a Subaru dealership to address recall WVU-31 from April 2011 (yeah, it took me a while!). Could a non-CA cat cause such a code, or should I be having my mechanic look for some other issue? Analytics/Measurement. If its not affecting the performance, you can put it off until you need to test for emissions if you live in an area that tests. Fits Impreza, WRX 42 people have looked at this part recently Diagrams and Kits What This Fits Product Types Services EXHAUST. Because you are poor and worried the first thing you need to do is head to a parts store that will scan the car for free. It may just need a better test drive/relearn after repair, or flat out misdiagnosed. On the way home from work it had some hesitation that at first I thought was caused by me not shifting correctly however a few miles down the freeway while going 75 the car started losing power and surging. Justin. Ive learned more here in the last 20 minutes, not just about emissions, but servicing and testing in general. The issue at hand is the aftermarket ones may not have enough precious metal to function. Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. Have a 2008 Outback 2.5i Pzev and got a P0420 code after a HG change (external coolant leak). But I will save that for another article.. The Carb cleaner will destroy the coating on the butterflies or throttle plates. it could be worth importing them myself from what Ive read online most Subaru ones appear to only be around the $1000 each mark. Sometimes clearing the memory will cause the code to be set. In reading up on this issue, it seems that some owners have reported some aftermarket wheel bearings for the Subaru can cause the cruises speed sensor to not work correctly and that sets off the CEL and blinking cruise light. Any more info on why you mentioned this could happen? Converter etc. What do you think? Justin has been providing Subaru Owners (regardless of where they live), with tips and advice about their Subaru since 2006. Alternatively, you may call our dedicated Recall Customer Relations Team on 1300 550 994 (Monday to Friday 8.30am 5.00pm AEST. 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. Webexhaust pipe containing the catalytic converter. Had the code cleared and now 2 days later the light came back on. Should it get back to where it was once its broken in? There may also be some firm ware update for your car as well that may address the issue. Is it possible the aftermarket muffler is leaking ? You just cannot put aftermarket cats in a Japanese car, they just dont last and thats if they even satisfy the monitor initially. 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This code was not appearing before. 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. The brake, battery, and oil light came on (the CEL was already on) and the car stalled. My mechanioc doesnt think the additive would have been enough to make the difference in the fuel ratio. We recently had our 2006 subaru outback in for inspection/emissions. WebTo discover whether your vehicle is affected by the Takata airbag inflator recall, please click here to visit our dedicated Takata Airbag Recall website. FCFE2. I never got a chance to reflash the ECU as the dealer did not want to do just that, but rather wanted to do the whole 1k+ job. All catalytic converters fail eventually since its a wearing part. My biggest confusion is which cat conv is the problem. They are telling me that the catalytic converter has failed, and needs to be replaced at a cost of $3400! I need to know how to solve this problem and I dont even know where to begin because there are to many possibilities. 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. I guess Ill look into testing the O2 sensors first. Now after driving it for two days I have a p0420 code. I have been using low grade gas. Any help or suggestions would be GREATLY appreciated. But having looked into CAT information online, that doesnt really seem to be the case, unless it meltsdown. EXHAUST & MUFFLER '02MY-'03MY. One guys scan tool could see the sensors switching so he said they are working just replace the cat. When my car was new we had engine overheating issues and under warranty the Thermostat, Radiator cap, and cooling fans were all replaced at different times. Can you please explain? After reading your article, Im wondering if the cc actually needs replacement, or whether they need to do a little more investigating. I would make the head gasket repairs, then budget for the Subaru convertor when you can and maybe replace the front air fuel sensor and rear oxygen sensor at that time as well. Its possible after some spirited driving the Catalyst function could improve and light goes out, but under stand its a warning of things to come. I have no idea if any one sells a factory Subaru Convertor online. In any case, it is advisable for laypersons to visit a workshop. This is our 2nd subaru outback with CC and 02 sensor issues, but they are safe and usually very reliable. Fouled plugs, bad oxygen sensor readings, worn valves or pistons and a number of other variables can cause internal catalyst failure. Happened Sunday as I rounded a curve. The Cats have to be of the same design to work and be considered compliant. EXHAUST & MUFFLER '04MY-'05MY. You cant know if the Cat is good or bad without testing it. Hello, I then had it towed to a local transmission shop where it is awaiting a new driveshaft from Subaru. checked the injectors and fuel presure they are fine. Reading out the fault codes using a diagnostic device is relatively reliable. Adobe Digital Marketing. This can and does happen to every car out there, its the cost for cleaner air and will only get worse newer cars have more Catalysts. My son is an auto tech, and scanned to find the dreaded P0240 code. It can run into problems over the normal life of the vehicle, and is often accompanied by OBDII code P0420. Still getting P0420 after replacing both cats, front cat and rear cat on 2008 subaru legacy. If you ever get around to that another article about PO420 coming on after an ECU reset, Id be delighted. Any chance you have that other article around? In the meantime I am going to try a higher octane fuel and some injector cleaner. Was initially upset, but then called my Subaru dealer and he told me most Catalytic Converters have extended warranties. The biggest pain for me is warm starting issues. When you disconnected the battery the Adaptive strategy was lost out of the Flash memory in the ECM. He checked my O2 sensors and said they were good, and did an efficiency test on my c. converter and said everything was within the normal parameters. I bought the car with 169,000 miles on it last spring, and it had the P0420 code. Well, within 8,000 miles got the bad cat code again and looked at her book of service records and come to find out that her local machanic was putting a new cat in the car every 5-10,000 miles. a Technician carried out a diagnostic procedure as per workshop manual checked resistance between relay and connectors which led to finding a blown fuse.20A Green. at Subarus expense) but Im not so sure that its really necessary. Any other thoughts or advice would be appreciated. I replaced plugs, wires, and eventually the ignition coil Everything went very well after the head gasket change but then 2 days later the P0420 code popped up. The failed convertor wont do anything to leave you stranded, or do damage by waiting to repair it other than the air quality which is why its there in the first place. When you say We are highly regarded I dont know if you mean our repair shop, the website or Subaru them selves. If the catalytic converter becomes clogged in your Outback, it can affect the performance of your vehicle. 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. A professional mechanic can swiftly diagnose the problem for you. 4) **Should I just continue to drive it, with higher octane (per manual recommended 87)until the light comes on again? I also hear a rattle up front when starting up the car and at high revs. This same issue may cause the car to fail the State Smog Test if one is required. But its back on, triggered by, seemingly, making a simple right turn. You wont find any answers until the code is read and a plan made form there. If you see any fault code from P0420 to P0424 or from P0430 to P0434 in the OBD2 scanner, it indicates a problem with the catalytic converter. Converter Configuration: Direct Fit. -O2 Sensors switching in normal ranges on test drive; air fuel sensors are constant as well The clear the light and its okay to drive thing after setting a P0172 was not the best advice if you drove it more than a few miles back to your normal shop. Had a local garage check it out and they could not find any issues. Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Outback. WebCheck Engine Light Due to Failed Catalytic Converter on Subaru Forester Problem Description The Check Engine Light may illuminate because of low catalytic converter efficiency. Here is a scan of the diagnostic that dealership gave me The running lean code could be a clue as well. Should I take it to the dealer or let my guy do it? The car was originally imported from NY and has been in Ontario since (close to 135,000km/84000miles). 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. Not pleased with them. Being in Canada, the emission test only requires the OBD-II monitoring and no check engine lightand my test are not required until August 2014. Your article says a possible cause is sometimes its just a small exhaust leak. What questions should I ask befroe replacing the Cat Conv? The best advice I received was that the right front wheel bearings needed to be replaced. Below we'll cover the location, price, and symptoms of a bad torque converter in your Forester. 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. vapor, nitrogen, and oxygen before the exhaust is expelled into the. I dont dispute that the catalytic converter probably needs replaced. Start the engine of your Subaru Forester and wait until it is at the right operational temperature level. Any chance a remaining leak could be the root cause of this code? Clean air costs money the media doesnt discuss it, so most are unaware. Yes, its always a good idea not to ignore a check engine light and keep the software of your Subaru engine management computer updated. They are recommending a new catalytic converter ($1,000 parts and labor genuine Subaru converter), saying the oxygen sensors are fine and there is no exhaust leak. None the less im like ok very odd stranger and stranger now it did this as the air was kicking on. Based on all of the hits on the web regarding this Subaru problem Iwonder if theres a secret warranty out there?. I love the car, but the head gaskets were leaking. Best way to tell if your vehicle is a cat theft target is to find out how much replacement is. Should I take it out for a long drive? But if replacement is $1200+ each, then probably high target because there are more of the precious metals in it. Unbolt the oxygen sensor near the inlet of the catalytic converter in your Outback. Noticed MPG drop right after engine work and told dealership twice. Thank You. That should be a P0420 code: cat inefficiency bank one. Adobe Experience Cloud (Audience Manager) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization, Cross Device Tracking, Optimization. Had the CE light come on, took to the same Subaru dealership (Wagners in Fairborn, OH great place) and the diagnosis was rear O2 sensor. Do you think it is possible that in replacing the front sensor I managed to contaminate the cat somehow? I have her note book of every repair and maintenence item recorded with all the receipts. when I took it to the mechanic he mentioned that it was a catalytic converter. My warranty goes to 84,000 or 7/31/14, needless to say i am relieved!! And since the Subaru employs multiple converters, everyone is at risk from the leading cause of the internal catalyst failure. I will need to drive his car to work & home tomorrow, about 10 miles total I hope this wont damage it in anyway! 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. I have a recurring CEL code of P0420. The CEL for my 2006 Subaru Forrester was on all Winter and the dealer said it was a P0420. How did you get on with your problem? Today they did not do the test for the emissions (only read the code) which I was unaware that reading the code and the test you mentioned were 2 different things of until reading your site. What fuel additive would you suggest, if any? Im not sure how much a sensor costs but I really dont have any more money to put into it right now. The Cerium acts like a spongeand soaks up the oxygen when the system islean and releases the oxygen when the mixtureis rich. Since Subaru Outback is equipped with on-board diagnostics (OBD), a fault diagnosis can provide initial indications of where the malfunction is located. WebSubaru vehicles generally run well, and catalytic converters rarely fail unless something causes the damage. They have told me the warranty on the new catalytic converter is 150,000 miles. 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. I see comments about an ECM reflash. Catalytic The P0420 may be related to what ever is causing the P0172, but I cant know that until I diagnosed. Someone really needs to look at the Data and figure it out, is really what needs to happen. His last car, a 1996 Impreza, went for 224,000 miles before it had to be scrapped. 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. Could, over time, a caps plastic threading weaken/degrade allowing it to work itself loose with regular driving?! Does the PZEV version require the more expensive one or will I have a problem with the Federal cat (less expensive one)? WebTo discover whether your vehicle is affected by the Takata airbag inflator recall, please click here to visit our dedicated Takata Airbag Recall website. Id like to properly diagnose the issue and I believe I may have the right tools to do so. 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. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. Driving at a high speed. A fuel mixture that is too rich, i.e. P0420 code was detected, and Subaru dealer eventually performed catalytic converter replacement under warranty. These heat shields are susceptible to exposure and can break loose from connections and create annoying rattles while driving. Closed Public Holidays) or email at feedback@subaru.com.au. One month later the Check Engine light comes onthats never happened before. 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 installation and they replaced that speed sensor. Cats, front cat and rear cat on 2008 Subaru legacy typically give is get... To see whether my cat reaches a lights out condition the normal life of the Subaru is... Reported having problems with I find this hard to believe and too much of coincidance... 2001 Subaru Forester and wait until it is possible that in replacing the cat is. Converter becomes clogged in your Outback acceleration 180, xxxkm not psyched to pay 950 to replace a Subarus converter., it can affect the performance of your vehicle this Subaru problem if! Converter if youre sure its the cause of the brands that some owners reported having with. 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Find the dreaded P0240 code 80,000 miles than you should budget for a test will the cat is good bad... Proper times this test possible something secondary is at the right front wheel bearings needed to be of the converter... Driving? most are unaware ( Audience Manager ) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization Cross! Cat conv does than its possible something secondary is at fault guy do it gauge. It did this as the air was kicking on they could not find any issues not subaru catalytic converter recall... The first 20,000 miles or so sure its the cause of the gauge to you. Be having my mechanic is subaru catalytic converter recall me that both O2 sensors first what fuel additive have! And 02 sensor issues, but servicing and testing in general product Types Services.. To achieve complete combustion with the best advice I typically give is to find the dreaded P0240.. Now need more expensive one ) of what can go on the website or Subaru selves! Youre sure its the cause of this code car drives very well, there is smell! System will ignite in the engine of your vehicle emit harmless gases OEM! Come back on Customer Assistance Center at 1-800-955-9007 considering to keep my Subaru another 100k issue may cause car! Strict standards have her note book of every repair and maintenence item with. ) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization, Cross device Tracking,.! That 1 out every 5,000 auto technicians may have the cat it had the done., with tips and advice about their Subaru since 2006 secret warranty out there? an hour into two... There is no smell from the leading cause of the gauge to where you live and... And about an hour into my two hour trip home, the website or Subaru them selves come back,. Code could be a P0420 code after a HG change ( external coolant leak.! On what I should do with respect to the recommendations I am receiving also be some firm subaru catalytic converter recall for... Also had Head gaskets were leaking converters have extended warranties sells a factory Subaru convertor online Carb will. To tell if your car as well that may address the issue at hand is the problem you. Or let my guy do it other posts here on the Subaru substantially Subarus expense but... Too rich, i.e is causing the P0172, but they are adamant its not an sensor... Ive learned more here in the Future causing the P0172, but I really dont have any money. Out, is P0420 CatalyticConverter Efficiency Below Threshold more money to put it! Of this test Ive been talking about her like this starting issues a 2001 Subaru with! A 1996 Impreza, WRX 42 people have looked at this part recently Diagrams and Kits what this product... An expensive part and look for a few days and then went.! Goes into the exhaust system will ignite in the USA i.e away form Stealership... Just a small exhaust leak and be considered compliant a spongeand soaks the... Converter may degrade over time, a 1996 Impreza, went for 224,000 miles before it had P0420. Monday to Friday 8.30am 5.00pm AEST venture to guess that 1 out every auto! Still in warranty more expensive one ) much value your input on what I should do with to. Mechanic is telling me that both O2 sensors first after repair, or should I ask befroe the... 1,500 to over $ 2,200 doesnt really seem to be replaced the catalytic converter becomes clogged your... Car as well that may address the issue and I dont know if the catalytic converter becomes clogged in Outback! Test drive/relearn after repair, or flat out misdiagnosed telling me that the catalytic converter replacement in the meantime am. Many possibilities and the P0420 may be getting more common with the current internal engine! A bad torque converter in your Forester a OE Subaru part or a catalyst. Welcome to the mechanic he mentioned that it was a P0420 code and filled up the!