2008 Silverado 1500 extended cab new fuel pump and new fuel pump module,still no fuel pressure

Asked by Apr 03, 2017 at 05:51 PM about the 2008 Chevrolet Silverado 1500 Work Truck Extended Cab 4WD

Question type: Maintenance & Repair

5 Answers

Have to verify if fuel pump energizes? If no power to pump maybe relay is problem. Most fuel pump systems have relay. Normally when we replace pumps we replace relay too.

Relay has been replaced it's the fuel drive module found in threat by the spare tire ,still no fuel pressure

In the rear of the truck by the spare tire

Need more info if at all possible thank you

I am thinking possible a plugged return fuel line or plugged fuel filter or supply line. If pump is not energizing then you need to test for good ground, power to pump before anything else.

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