Chevrolet Silverado 1500 WT 5.3L The engine intermittently stalls and will not restart

VEHICLE:  2008 Chevrolet Silverado 1500 WT 5.3L, V8, MFI, OHV, VIN J, Eng Desg LY5


MILEAGE:  50,303

Customer Concern:
The engine intermittently stalls and will not restart. There is no fuel pressure. It has a new fuel pump installed and the wiring is OK.

Tests:

1. Verify good power and ground to the Fuel Pump Control Module (FPCM).

2. If powers and ground are both good, check for voltage on the Dk Green/White wire at pin 13 of the FPCM while commanding the fuel pump on and off via the scanner.

3. If voltage is present when commanded, verify a good connection to the FPCM. If OK, replace the FPCM. Programming is required after installation.


Potential Causes:

Fuel Pump Control Module
Fuel Pump Control Module (FPCM) Ground
Fuel Pump Control Module (FPCM) Power
Fuel Pump Control Module Wiring

Confirmed Fix:

Replaced Fuel Pump Control Module

Chevrolet Silverado 1500 The engine intermittently stalls and will not restart. There is no fuel pressure. It has a new fuel pump installed and the wiring is OK.