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2005 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK19VX5
This truck runs good. Short and long term fuel trims at idle are less than 5. Going up hill 2000 to 2500 rpm, 35 to 40% throttle long term fuel on both banks is 20. Freeze frame showed codes were set at same conditions with 25 long term fuel trims. Wide op... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2)
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