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Gas Cap Removal Affects Fuel Trims
Posted to Technical Discussion Forum on 8/13/2015 24 Replies

Customer buys this 160K miles truck as is for business

Needs NYS Inspection - cannot pass - has P0171 and P0174

Both banks over 21 at idle; at higher RPMs FTs hover about 18

We go through drill and become confident MAF, MAP, O2s, EGR behaving as they sho... Login to read more.

24 Replies Received (View Replies)

 

car Vehicle Data

2000 Chevrolet Silverado 1500 4.3L

Engine4.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2000 Chevrolet Silverado 1500 4.3L

Engine4.3 L
Trans4-speed Automatic (Electronic)