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Home >> Buick >> 1993 >> Roadmaster Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 5.7L >> ECM/Pcm Code Charts >> Code 44 - Lean Exhaust Indication >> Fuel Contamination
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Fuel Contamination

Water, even small amounts, near in-tank fuel pump inlet can be delivered to injector. Water may cause a lean exhaust and set Code 44.