P0420???

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May 25, 2008 | 09:43 PM

underground6t9

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P0420???

Does nyone know what exactly that means? I don't know if tis because of my new af/x pcm.

May 26, 2008 | 01:01 AM

12 volt

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From: roswell New Mexico

RE: P0420???

thats the time to smoke a blunt code [sm=pimp.gif]

but seriosly now P0420 Catalyst System Efficiency Below Threshold (Bank 1)

i would say that means O2 heater fuse blown or malfunction in O2 sensor

May 26, 2008 | 01:21 AM

Adionik

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From: S.A

RE: P0420???

o2 sensor at the cat hoeeee

May 26, 2008 | 01:24 AM

underground6t9

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RE: P0420???

Thanks I will replace the o2 sensor.

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