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Home >> GMC >> 1992 >> Forward Control 5.7 K, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - V8 >> Trouble Codes >> Code 44, Lean Exhaust Indication (Except 4.3L Turbo) >> Fuel Contamination

Fuel Contamination

Water, even small amounts, near in-tank fuel pump inlet can reach fuel injector, causing a lean exhaust and setting Code 44.

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