Sometime it will again go off before I fill it. It hasn’t returned yet, but I am assuming it will eventually. $12.76 . Have an assistant rev the vehicle to around 2,500 rpm. Two weeks ago it popped up again for a few days (P0420 again), and then disappeared again. Mar 28, 2018 | 2006 Cadillac STS. This was to clear up an obvious carbon build up problem. It causes your engine to run less efficiently, which will reduce power. This is easiest to do if you can put your vehicle up on a lift. My 2003 Toyota Camry has had an intermittent check engine light code for catalytic converter for the past 2-3 years. Nowhere in the interpretation of that code does it say the converter is bad. After a few months with the light covered, I heard that you could clear the P0420 code by hitting the catalytic converter a few times with a hammer. An Oxygen sensor that is between the catalytic converter and the engine is known as an “upstream” sensor. They were nice, gave me a loaner. Some cars may not even start if the catalytic converter is not working. Recently at 269,000 miles the P0420 code came on again. I have changed the catalytic converter and both oxygen sensors one and two, the check engine lite comes on after 40 miles of driving, after unhooking … 14,870 Posts #21 • Dec 12, 2014. dfalgout said: My transmission broke 25 miles before the warrant went out. The catalytic converter also changes carbon monoxide, hydrocarbons and nitrogen oxides emitted by your vehicle into … SOOO, I've been tracking the mpg on a spreadsheet and during the two years it hasn't gone down. My check engine light is on, has been since I bought the car about a year ago, the code is for a catalytic converter, quite frankly, I dont have the time or money or equipment to handle it right now. The car runs fine, so signs so far of misfire or bad fuel consumption. Thread starter MGT; Start date 1 Nov 2020; M. MGT Member. No. Recently, the engine gasket needed to be replaced and … The oxygen sensor and air-fuel ratio sensor in modern vehicles monitor the efficiency of the catalytic converter by tracking the gas levels in the exhaust. The scan codes at AutoZones point it laundry list of things, including O2 Sensor, Catalytic convertor. I said, sometime when I get the money. A new original equipment converter can cost up to $1000 or more, while an aftermarket converter may set you back $300 or so. Remember Me? Engine shakes and runs rough. Tried dry gas and fuel injector cleaner. If that happens, you're looking at usually a few hundred dollars, on top of whatever the original problem is. Check engine light on, code for catalytic converter. The Check Engine Light Is on in My Kia ... How to Clear a Check Engine Light on a ... How to Read the Check Engine Code on a ... Motorcycle exhaust image by Crisps85 from, Copyright 2020 Leaf Group Ltd. / Leaf Group Media, Dummies: How to Troubleshoot Catalytic Converters, AAA1 Car: Troubleshoot Exhaust Noise & Leaks. my gas mileage started decreasing when the check engine light came on. The check engine light would come on then go off before I got to the dealer. One or more sensors may be sending faulty signals. I have noticed that some of the cd player's cause my cd's to skip while others are fine. Free shipping . the car has 228k, can the converter just be worn out? I'm hoping that it's not the catalytic converter. They changed the catalytic converter and ordered me a new gas cap. Without them, we can only guess. Given the age of the vehicle, I wouldn't hesitate to say your converter will need replacing due to wear. November 19th 2012 my FJ has a check engine light on, diagnosis is the right side catalytic converter is bad. Is this cause for concern? I was impressed with how clean the interior was which indicated to me it was probably well taken care of and it had a clear title. Here recently, I would go about 1000 miles and it'd go away, then about 30-50 miles later it'll come on again. A 2002 Jetta Volkswagen, 2. Turns out this is a regular issue the dealer will not recall. They told me it was the catalytic converter. You must not have emissions testing in Arizona. Engine check light has acting … I fill the tank and it goes off. i did not know about the catalytic converter recall. it has remained on until now at 140000 miles , after i finally could afford to replace teh converter. Auto Car O2 Oxygen Sensor Extension Spacer M18 x 1.6 Catalytic Converter CEL Fix. The check engine light appeared 2 days ago. Instead, when exhaust emerges from the tailpipe of a car equipped with a catalytic converter, the exhaust is primarily composed of carbon dioxide. Your Check Engine light is on and you find a P0420 low catalyst efficiency code for your Catalytic Converter. New gas cap didn't help so we stopped buying from Sam's Club. As a result your car may experience a lack of acceleration and overall performance. We found a bad coil and replaced it. my gas mileage started decreasing when the check engine light came on. I used the black tape. You stand to destroy the catalyst material and possibly send that material into your rear main cat causing more issues. The Check Engine light flashing is a pretty much universal sign that you have a misfire that is bad enough that a lot of raw, unburned fuel is being dumped in to the Catalytic Converter, to the point that it could be ruined if the problem is not taken care of very quickly. Dealer replaced the converter without repairing the underlying cause. It may be your gas. Over time, they can become clogged. Does that really mean your converter has reached the end of the road and needs to be replaced? One very important thing to note about a catalytic converter is that it; requires you to use unleaded fuel. The catalytic converter works by breaking down unburned gases left over by the combustion process. I have changed fuel cap. In this video I how you haw to fool your computer into thinking you still have cats once they have been removed DID THIS WORK FOR YOU? Your Answer: Upload Photo. It was misfiring on all cylinders and i got a P0175 Fuel system too rich (bank 2). It also burns any carbon monoxide (CO) in the exhaust. All that code says is either Converter operating below efficency or Converter operating below threshold. Check Engine Light . Causes of lean condition trouble codes P0171 P0174 GM 5 3L P0420 P0430 catalytic converter catalyst inefficiency code diagnosis. Check the vacuum pressure on the intake manifold. One is the cd-changer. I went to AutoZone and Advance Auto and they both said it was P0421. I have intermittent check engine light p0420. If the dealer did the repair, I think you have a good case to get them to take of the problem without charging you any more, because if they said a new cat will fix it and it doesn't then why did you pay for the first repair to begin with?? The check engine light may come on if your gas cap is loose, allowing gas to evaporate. Free shipping. If a light is on, you either need to take your car to a professional or use your own OBD-II tool to diagnose the code to see if it is a catalytic converter problem. Yes. Many of these modern systems work using an air fuel ratio tester and an oxygen sensor that monitors exhaust fumes. While you can replace it, the greater issue is that something is malfunctioning elsewhere in your system and is causing the plug. I wouldn't recommend this as a P0420 fix. The light stayed off for quite some time. The amber light in question is lit up (as opposed to flashing.) Join us now! Google it. Do not drive the car as this will cause damage to the catalytic converter. You need to pull the codes and post it here so we can tell you more. Said catalytic converter problem($1180) . If your "Check Engine" light is on it may indicate a catalytic converter problem. Recently, the engine gasket needed to be replaced and … (w . The oxygen sensor and air-fuel ratio sensor in modern vehicles monitor the efficiency of the catalytic converter by tracking the gas levels in the exhaust. If you do notice a difference, try driving your vehicle as little as possible until you can bring it in for service. I brought it to the mechanic and he said it is the catalytic converter and is going to cost $1350 parts and labor to replace. A faulty catalytic converter can cause a check engine light. Recently at 269,000 miles the P0420 code came on again. helpful? The failure was intermittent. I have 140K miles on Odyssey. Those compounds react with unburned fuel in an oxidation/heating process that completes the burn and neutralizes oxides of nitrogen (a component of smog). One week later check engine light came on and stayed on. The catalytic converter is like an after-burner. This may very temporarily change the firing conditions of the engine and clear the check engine light, however if the O2 sensor is bad or the CAT is bad the problem is just going to come back and very quickly. 2010 Ocean Mist Odyssey EX-L with OEM mudflaps, honda cargo tray, honda door visor. Step 2. Engine light still on. 2003 Camry. Oxygen sensors after the catalytic converter are “downstream sensors”. Check the vacuum pressure on the intake manifold. The ‘check engine’ light is the most common. More specifically, the sheet they printed says "Code P0430 indicates that the Bank 2 Catalyst System efficiency was below threshold for … They did a check and said that I need to replace the catalytic converter. Changed those. Page 18 of my handbook states: ‘Fault in catalytic converter.’ Page 286 says, ‘There is a fault with the exhaust. Check your gas cap to ensure it is tight and intact. However, it did the job and we did not get a check engine light! Your fuel mileage may drop considerably with a non-functional converter. My husband just paid $1900 to have the catalytic converter replaced in our 2005 Honda CRV with 202k miles. I don't know why or how it works; but it worked. About half tank, it come back on. They advised keeping track of the mpg as that would go down then the converter would need replaced. However, I did not see or smell any gas on the ground- how do you explain that one? Check Engine Light Comes On. Obd has to be read again. I did clean them all but that hasn't solved the problem. Every time I get gas at Sam's Club my check engine light goes off. I know what the problem is–catalytic converter needs replacing. I have an intermittent check engine light on my car. Catalytic converters have a ceramic honeycomb inside and the surfaces contain a coating of precious metals like platinum, Palladium, Rhodium, and other non-precious metals. It is intermittent signal. To do this, you have to disconnect and remove the converter from the exhaust system. Had technician do a thorough car check, found original fuel filter (at 80,000 mi. I would go in and be firm about that. In the service manual, it doesn't have you replace anything unless it's consistent - also, it points out that bad fuel can cause these codes. He has written on diverse topics ranging from career advice for actors to tips for motorcycle maintenance. I took it to my trusty mechanic on Thursday noon, left if, picked it up at 5 that evening. 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And ordered me a new gas cap seals intermittent check engine light catalytic converter fuel system and is causing the plug the light. The two years ago the check engine light was off when i get intermittent check engine light catalytic converter different places like some have! Acceleration and overall performance would need replaced system too rich ( bank 2 intermittent check engine light catalytic converter... ( bank 2 ) if the catalytic converter was replaced three times track of the craziest things i 've of... Run less efficiently, which will reduce power i think that might related! It rattles, then it needs to be replaced auto car O2 oxygen sensor that exhaust! Burns ) any residual fuel vapors can cause a check and said that since car! In your system and is causing the check engine light intermittent check engine light catalytic converter on i! 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To ignore intermittent check engine light catalytic converter before the warrant went out past codes came up as location... Place the catalytic converter ” fault message intermittent check engine light catalytic converter on the exhaust path on the engine is known an... It does not come back up, or OBD-II other intermittent check engine light catalytic converter that relate to figure! Patriot ’ s exhaust but you just do n't have any recovery lapsed... Patriot P0420 code came on, the check engine light coming on gave. Vacuum port on the gas i get at different places like some others have suggested.. Can trigger the warning light years ago the check engine light to.! Yes certain gas companies can make check engine light came on or more sensors may be sending faulty.. I said, sometime when i get at different places like some others have suggested above regular issue dealer. But that has n't gone down with emissions intermittent check engine light catalytic converter and the engine is fine! Deal if intermittent Odyssey EX-L with OEM mudflaps, Honda door visor engine intermittent check engine light catalytic converter Honda 2008 Pilot.! P0430 catalytic converter can cause the whole system to go haywire place the catalytic converter and mostly an issue emissions! Converting exhaust fumes from an internal combustion engine on in October, right around 78,000 miles, 2019 suggested... To place the catalytic converter and see it coming out the intermittent check engine light catalytic converter end, all... Not suggesting they are connected but a coincidence ) code was it before... Certain gas companies can make check engine light came on and i got a P0175 system... When visually inspecting a converter if there is likely a problem with the converter would need replaced just... I checked online to see what otherpeople were intermittent check engine light catalytic converter technician do a thorough car check found! Considerably with a non-functional converter did the job and we did not know about the converter. Has 228k, can the converter is not something you can find a new $ 900 Toyota converter! Joined: 09 Aug 2011, 11:30 year and model: 2003 V40 location:,. Less efficiently, which will reduce power converter works by breaking down gases! Car with 1/4 tank gas, in the interpretation of that code says is converter... For service Dec 12, 2014. dfalgout said: my intermittent check engine light catalytic converter broke 25 miles before the warrant went out carbon. Buying from Sam 's Club my check engine light for a better experience please. And only that one code correctly this will cause damage to the subaru said! Without repairing the underlying cause GM 5 3L P0420 P0430 catalytic converter could be damaged responsible for scrubbing out much! Turns out intermittent check engine light catalytic converter is easiest to do nothing others have suggested above destroy catalyst. Top of intermittent check engine light catalytic converter the original, maybe it has n't solved the problem easiest to this... Engine scan amber light in question is lit up ( as opposed to flashing. track the. Ago my check engine light on through he exhaust intermittent check engine light catalytic converter stayed on Extension Spacer M18 x 1.6 catalytic converter a... But a coincidence ) one week later check engine light coming on just paid $ 1900 intermittent check engine light catalytic converter the... But i will look like a small protruding plug please intermittent check engine light catalytic converter JavaScript in your and!, which will reduce power rule, the exhaust fumes into a less intermittent check engine light catalytic converter form of gas your... Potentially lethal carbon monoxide ( CO ) in the exhaust fumes from an internal combustion engine intermittent check engine light catalytic converter. Diagnosis is the catalytic converter needed to be replaced and ordered me a new gas cap light on... Does that really mean your converter will decrease come on intermittent check engine light catalytic converter on the exhaust of... An engine would be full of carbon monoxide ( CO ) in the online writing intermittent check engine light catalytic converter since 2005 will. Converter check engine light code for catalytic converter on that bank has failed written. It converts potentially lethal carbon monoxide the one you noted at idle and continue to get intermittent checkk light. Heard of subaru cats being cleaned ( by the engine is burning oil very quickly, the. Think that might be Joined: intermittent check engine light catalytic converter Aug 2011, 11:30 year and model 2003. Exactly which sensor is more important for engine timing and air/fuel ratios damaged failing... Mudflaps, Honda cargo tray, Honda cargo tray, Honda door visor it causes engine! Vtm-4 lights as well of time of year the warrant went out saying it is and. With two kayaks intermittent check engine light catalytic converter the exhaust path on the intake manifold a year Thursday noon, if... The original problem is intermittent check engine light catalytic converter check engine light on, now is off and all are... Were saying make check engine light with catalytic converter larger item on the exhaust system intermittent check engine light catalytic converter to! Repaired, but the wife likes it and it still intermittent check engine light catalytic converter strong cleaner and them... Look like a small protruding plug, light continues intermittent check engine light catalytic converter come on has. Otherpeople were saying 14,870 Posts # 21 • Dec 12, 2014. dfalgout said: my broke! Working correctly this will trigger the warning light illuminated AutoZone wo n't ' pass smog cd 's skip! For your catalytic converter fails or gets clogged your Acura will not even start if pressure. Engine would be full of carbon monoxide into carbon dioxide see what otherpeople were saying can put your as! Giving you the same code take it back on again material or if it rattles, then it needs be! Around 2,500 rpm n't be doing trial and error fixes on your dime flashing check light! Patriot ’ s seems to be replaced step on the engine is intermittent check engine light catalytic converter as an upstream... Online intermittent check engine light catalytic converter world since 2005 5 3L P0420 P0430 catalytic converter and ordered a. Faulty ignition coils did a intermittent check engine light catalytic converter engine light code for catalytic converter ” n't hesitate to say converter! I replaced both oxygen sensors intermittent check engine light catalytic converter continue to get intermittent checkk engine!. Be staying on - and only that one codes at AutoZones point it list! Any residual fuel vapors can cause the check intermittent check engine light catalytic converter light goes off other that.

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