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Home >> Buick >> 1996 >> Roadmaster Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Systems - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0171 - Fuel Trim System Lean Bank 1 >> Diagnostic Aids

Diagnostic Aids

If DTC P0171 cannot be duplicated, problem could have been caused by engine running out of fuel. A fuel delivery malfunction will cause DTC to set. Check all items that can cause a lean condition.