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2003 Chevrolet Silverado 1500 5.3L Low Power
Posted to GM Driveability on 6/20/2014 12 Replies

this pickup has low power. fuel pressure will not rise above 42 psi engine running or not. install shut off at return line goes to 85 psi [...] installed delco regulator new fuel rail and [...] is 55-62 psi. anyhel would be appreciated.

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car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEK19T43
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsLow Power
OccursAlways
Message Closed

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEK19T43
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsLow Power
OccursAlways