2007 Chrysler Town & Country LX New Cars "code p0420" Questions

p0420 code 1996 chrysler town n country 3.8 v6 p0420 code im pretty sure its just a o2 censor but wanted to get a couple other opinions as to if it actually is or if quiet possibly the catalytic ...

...1 is worn out. Changing just the O2 sensor/Catalytic efficiency monitor usually doesn't repair the problem. If the P0420 code is combined with other codes, try fixing the other codes

...code p0420 it is a lx with a 3.3 v6 p420 code has to do with your exhaust system,catylic converters,..sensors...could be a simple fix or not... -Three way catalyst converter Bank 1 - Exhaust tube - ...

code p0420 appears what does it mean engine lite came on P0420 Catalyst System Efficiency Below Threshold (Bank 1) What does that mean? The catalytic converter has an oxygen sensor in front and behind

p0420 Error Code Hi, My check engine light of my 1999 Honda Odyssey came on recently. The error code read was p0420. Wondering whether this has to do with Catalytic Converter or the O2 Sensor? Thanks.

po420 P0420 Catalyst System Efficiency Below Threshold (Bank 1) check this put http://www.obd-codes.com/p0420 This code indicates your catalytic converter is no longer working.Needs to be replaced.

...p0420 code P0420 is a code that suggests that the catalytic converter has gone bad. I couldn't tell by your post if you have replaced that or not but if you did and you used an aftermarket catalytic ...

P0420, diagnose those DTCs before continuing with this test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS . Turn ignition on. Using scan tool, read DTCs. If Good Trip counter is displayed for DTC P0420 and

...code 420. This is my sole vehicle so I am really trying to get this fixed ASAP. call if you need anything P0420 Catalyst efficiency below range. P0731 A/T Additional Gear Ratio Error In First Gear ...

...p0420 code. WTF? Any ideas? Please! it could be the system utility of the car computer its protecting,the car ,if you have a friend or somebody lets you borrow a compu and check to verify its not the ...