Operation CHARM
: Car repair manuals for everyone.
Home
>>
Pontiac
>>
2008
>>
Grand Prix V8-5.3L
>>
Repair and Diagnosis
>>
Specifications
>>
Pressure, Vacuum and Temperature Specifications
>>
Fuel Pump
Fuel Pump
command the fuel pump relay ON with a scan tool and observe the
fuel pressure
gage while the fuel pump is operating. Verify the fuel pressure is between 345-414 kPa (50-60 psi)