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Home >> Chevrolet >> 2001 >> Lumina >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L >> Diagnostic Tests >> DTC P0656: Fuel Level Output Circuit >> Code Enable Criteria

Code Enable Criteria

PCM will run diagnostic for this DTC when ignition is on. DTC will set when and an improper voltage level been detected on the output circuit which controls fuel gauge for at least 30 seconds.

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