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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1704 (Engine Controls And Fuel - 3.6L (LCS) - DTC P0638 To DTC P2229) >> DTC P0641 or P06A6 (FPCM) >> Conditions for Setting the DTC (FPCM)

Conditions for Setting the DTC (FPCM)

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The FPCM detects that the fuel rail pressure (FRP) 5-volt reference is above or below a predetermined voltage threshold.

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