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Home >> Cadillac >> 2008 >> DTS V8-4.6L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Fuel Pressure >> Specifications

Fuel Pressure: Specifications



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.