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Home >> Chrysler >> 2004 >> Crossfire Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Electrical Diagnostics >> Circuit Tests >> *Checking Hard Start (Fuel System) >> Diagnostic Test >> 1. Checking Fuel Pressure

1. Checking Fuel Pressure

WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE EVEN WITH THE ENGINE OFF. BEFORE TESTING OR SERVICING ANY FUEL SYSTEM HOSE, FITTING OR LINE, THE FUEL SYSTEM PRESSURE MUST BE RELEASED.

Turn the ignition off.

Install a fuel pressure gauge at the engine.

Turn the ignition on.

With the DRB III(R), actuate the Fuel Pump and observe the fuel pressure gauge.

NOTE: Fuel pressure specification is 3.7 to 4.2 bar (54 to 61 psi).

Choose a conclusion that best matches your fuel pressure reading. 

Below Specification 

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Within Specification 

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