has anyone here heard of rear 02 sensors going bad? I changed my front 2 and still have 0420 0430 codes thrown I read that it could be bad cats and I also read that it culd be bad rear 02's when i have the codes read the guy told me it was all four 02 were bad but the shop said only the front? now i need help to figure this out?!!
Rear 02 sensor Bad? 03 v8
- Thread starter tdewitt34
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