Operation CHARM
: Car repair manuals for everyone.
Home
>>
Cadillac
>>
2008
>>
DTS V8-4.6L
>>
Repair and Diagnosis
>>
Specifications
>>
Pressure, Vacuum and Temperature Specifications
>>
Fuel Pump
Fuel Pump
FUEL PRESSURE
Ignition ON, engine OFF, command the fuel pump relay ON with a scan tool.
Verify the
fuel pressure
is between 384-425 kPa (55-62 psi) and does not decrease more than 34 kPa (5 psi) in 1 minute.