Questions & Answers for: p420

1998 CIVIC P420 CODE I GET A P420 CODE WHEN THE CHECK ENGINE LIGHT COMES ON. I CHANGED THE OIL AND IT WENT AWAY FOR SEVERAL MONTHS; THEN CAME BACK ON AGAIN. I LOOKED AT THE EXHAUST SYSTEM AND CAN NOT ...

just tried to get a smog check and problem code p420 came up. Any idea what it could be? The P420 code is a catalytic converter efficiency code. I would very much suspect that the catalytic converter ...

i keep getting this p420 code of and on , also when my truck was only a couple of years old i had to replace the cataletic converters ,the mech told me bad gas ,is this true? and is this part of my ...

1999 Chevy Metro 1.0 L OBDII CODE P420. NEW O2 1999 Chevy Metro 1.0 L Check engine light is on, and I have an OBDII CODE P420. The original O2 sensor was dark black, took a chance and replaced it but ...

1996 taurus p420 code check engine light codes p420 and p430 The P0420 means Catalyst System Efficiency Below Threshold (Bank 1), and the P0430 means Catalyst System Efficiency Below Threshold (Bank 2

p420 code I have a 2002 dodge grand carvan sport and the heat is not working, last week my Check engine light came on so I had the code read at advance auto parts and the said I have a p420 code. ...

Check Engine Light. I have p420 P440 and P446 codes I have p420, P440 and P446 codes. I reset code via OBD and comes back in 120 miles. I already replaced GasCap You need a Catalytic converter and ...

What else will pull a p420 on this car - see below. I've had all o2 sensors, both sylenoids, the catalytic converter and some kind of timing manifold replaced and I am still pulling a P420 code bank 1

2006 Subaru Forester with a P420 code. Can this be fixed by replacing a universal converter? My car has a P420 code. My mechanic replaced the Universal Converter - Product code CAT940105. I am told by

01 toyota rav4 codes p430 and p420 replaced the 4 oxygen sensors cleared them two now have p1130 01 toyota rav4 I was getting codes p430 and p420 replaced the 4 02 sensors cleared them 2 codes now ...