Truck was sitting for 4 years I'm getting code po300 an code p0171 I replace plugs wires coil packs throttle body air intake still is running rough an smoking can anyone tell me wats wrong with this fucking truck
Yes I change all fluids before attempting to start I was told i ran once or twice a month when it sat so I don't Ashley know if they were running at those for years I haven't done anything else except what I've listed should I try the O2 sensor before the cat on driver side? Already spent a lot of money guessing
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