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Home >> Buick >> 2001 >> Regal LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0656: Fuel Level Output Circuit (Grand PRIX) >> Code Enable Criteria

Code Enable Criteria

DTC sets when PCM detects an improper voltage level at fuel gauge signal circuit for at least 30 seconds.

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