Questions & Answers for: Toyota Corolla p0420

...when we came home i saw the engine light on so i used my OBD tester and it appear that the code is P0420 and then i erased the diagnostic trouble code but the problem is when i turn off the engine ...

P0420 2003 Toyota Corolla, HELP! FYI more background on a P0420 - http://p0420.com p0420 is a code for catalytic converter efficiency, the cat will need to be replaced. in some instances a software ...

'99 Accord: P0420 and Sometimes Engine Hesitation & Rough Idling Hey, I have a '99 Honda Accord (4 cylinder VTEC) and I had a new gas tank fill-up last week. Ever since then, my car has started to ...

Check engine light - P0420 code I have a 98 Corolla. About a month back the check engine light came on. I took it AutoZone and they pulled out P0420 code. I took it to an exhaust place where they said

engine light codes 02-3151 and P0420 Code P0420 is a code for Catalyst efficiency. The computer is seeing the post Catalytic converter o2 sensor having too much activity. The Cat. should be cleaning ...

i had my car put on a machine he told me codeP300, P0171, P0302, P0304, P0420 needs repairing. What are these codes for. My car is an 2001 toyota Corolla P0171 is a lean oxygen sensor code. Codes ...

DTC P0420 on 99 Toyota Corolla Which oxygen sensor to replace- before or after the catalytic converter? The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm ...

My check engine light is on and the engine is giving codes p0740 and p0420. What could be the problem? My car was getting bad fuel efficiency, became a little sluggish going from the 35-50mph range, ...

codes po303, po171, po137. po420 2000 Toyota Corolla, P0171 & P0420 codes - YouTube ? 5:43 https://www.youtube.com/watch?v=ahJnJ19-vwY Jun 13, 2011 - Uploaded by StandardBrandParts Standard Motor ...

Toyota corolla 2010. check engine light is on. What is P0420 code?? P0420 TOYOTA - Catalyst System Efficiency Below Threshold Bank 1 https://www.autocodes.com/p0420_toyota.html