2005 Chrysler Pacifica "code p0420" Questions

...Code P0420 Catalyst Bank 1 Here's p0522. Trouble Code P0520 Oil pressure switch Oil temp sensor 2006 Dodge... thje po420 need to monitor o2 sensors to verify if you have a bad sensor or bad catalitic ...

...code p0420.. And I was wondering what I need to do to fix the problem? You need a new Catalytic Converter p0420 i believe is a catalytic convertor efficiency code. if the cat has gone bad, it should ...

...to 55 with high rpms. I replaced the egr valve...what else could it be? Did throw p0404 and p0420 codes but I cleared them P0420 Catalyst System Efficiency Below Threshold Bank 1 ...

...p0420 & mtv solenoid makes noise my car working good, but only check engine light on & code # 300 & 420. also, manifold tuning valve (MTV) solenoid makes thicking noise when key on & ...

code p0420 come out can you explain what that means and how i can fix the problem and around how much will cost me? thanks P0420 is a catalytic converter inefficiency code. Basically the cars computer

i have chrysler pacifica turring 2006 and i just got code P0420..Whad do i need to do Change your o2 sensors

...Code P0420. Replaced the catalytic converter a year ago. The check engine light came on a couple months ago and displayed this code again. The light then went off. Now it's back on. How can my ...

...code PO 420. What does that mean? P0420 is catalytic converter efficiency code. This code usually requires the PCM being reprogrammed or the catalytic converter replaced, sometimes both. How many ...

P0420 error remains CODE PO420 - CATALYTIC EFFICIENCY BELOW NORMAL BANK I POSSIBLE CAUSES - BASE ENGINE PROBLEMS HIGH COOLANT OR ENGINE OIL CONSUMPTION- CATALYTIC CONVERTER DAMAGED OR HAS FAILED - AIR

...code p0420 what does that mean catalytic converter is running below expected threshold-in other words, the sensor is telling the engine computer the cat is not doing it's job, that is to clean up any ...