2001 Dodge Neon "0420" Questions

p-0420 The definition of code P0420 Is Catalyst Efficiency. You may have an oxygen sensor problem or a catalytic converter problem. Your vehicle has 2 oxygen sensors. Check your oxygen sensors.If they

Check Engine Light 2005 Subaru Forester shows Fault Code 0420. After clearing codes it comes back in a few weeks or months. Car always runs fine. Hello engelhard58 I have attached a link that can give

what should i do if i get a 0420 code on a 2003 ford taurus I just bought a 2003 Ford Taurus SES. Well the second day I had it, my check engine light came on. I took it to Advanced Auto Parts, and ...

Hi, my neon 2004, have the code: 0128,0551, 0420, 0622, 0517, 0563. I wanted to mention that it does not have catalyst, what could these codes mean? A real smorgasbord! 0420 is for the cat, so scrub ...

code P 0420 malfunction indicator light is on, and code P 0420 is shown There are numerous things that can cause this code to come up.First how many miles do u have? U have to make sure there are no ...

1998 Chevrolet Cavalier 0420 Code I keep getting a 0420 code. The entire exhaust, to include the cat and both 02 sensors have been replaced. I cannot find any advanced troubleshooting procedures for ...

...===causes --engine mechanical fault ---wiring---ignition system---fuel system--injector/s code p 0420 refers to cat converter system, bank 1---efficiency below threshold === causes cat ...

2005 chrysler pacifica code 0420.Changed sensors and catyletic converter.(as recommended by dealership) Lasted long enough to get inspection, light came back on that evening . Been off and on (mostly ...

High RPM The trouble code is 0420. Catalyst Below Efficiency. Need to fix to pass inspection. Any suggestions? replace catilytic converter

Has code 0420 This code indicates that the catalytic converter is not functioning properly. This could be due to a poor state of tune and the poor running engine is overloading the cat to the point ...