2005 Dodge Grand Caravan "p0420" Questions

how to fix p0404 and p0420 code p0404 refers to exhaust gas recirculation (EGR) valve position--range/performance problem ===causes --hose leakage/blockage--wiring ---EGR valve/solenoid code p0420 ...

How do I fix this code p0420 You need to have it check out by a qualified repair shop because you don't want to guess on this one ! This has to do with the catalytic converter , if it's work or not ! ...

Just need code deciphered P0420 poor catalytic converter performance. Usually caused by converter, but if you have a scanner, I would compare the downstream O2 sensor outputs to make sure the sensor ...

dt codes 420 P0420 is a code for the catalytic converter no longer doing its job. There are a few occasions when the computers fooled into thinking this but more often than not the catalytic converter

am only looking to get another 6 mths out of the van. Does anyone have a solution to this problem.. P0420 means the cat converters tests below minimum efficiency. That can be caused by an exhaust leak

have a 20088 fully loaded nissan quest with code p0420 plugs and coils have been replaced already drives fine https://www.fixdapp.com/blog/p0420 https://www.fixdapp.com/blog/p0420 https://mechanicbase

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 ...

...came on my 2011 Subaru Legacy premium. I connected the computer and got three codes. P020 PRM, P0420 PND, and P0420 CNF. Can you please let me know what they are? P0420 Catalyst System

what is p0420 on a 2006 chevy cobalt 2.2l P0420 is a code for the catalytic converter. It has failed the efficiency test. See this post for the full story on P0420 trouble codes ...

TROUBLE CODE P0420 CHECK ENGINE CAME AND I HAD IT CHECKED AT AUTO ZONE THE CODE INDICATED WAS P0420. VEHICLE ISN'T MISFIRING OR RUNNING BAD. P0420 isnt a misfiring code; this code P0420 is refer ...