Thread: Need a lil help
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Old 12-17-2011, 11:31 PM   #6
CosmoTheCat
Scooby Newbie
 
Member#: 3409
Join Date: Jan 2001
Chapter/Region: NWIC
Location: Woolley
Vehicle:
1998 Ram 2500
Green.

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Call me skeptical, but I don't think it says "your cat is bad".



I'm guessing it's a P0420 which doesn't mean "your cat is bad" but rather it means "The ECU is receiving signals from your A/F and O2 sensors that indicate there is a problem with your emissions system".

It could be an exhaust leak.
It could be a vacuum leak.
It could be an injector.
It could be an A/F sensor.
It could be an O2 sensor.
Or it could be your cat.

Since you're under warranty, just take it to the dealer and have them do a drive cycle and diagnose it properly.
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