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'73 - '87 GM Truck Modifications
Engine & Performance
Engine Swaps (Gas) LS, Vortec, LT1 , etc.
Rough Idle, smells rich, P0171 and P0174 codes on 5.3L
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'73 - '87 GM Truck Modifications
Engine & Performance
Engine Swaps (Gas) LS, Vortec, LT1 , etc.
Rough Idle, smells rich, P0171 and P0174 codes on 5.3L
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