*Checking Hard Start (Fuel System): Notes

Fig 1: Fuel Pump & Injectors Circuit Schematic

Courtesy of DAIMLERCHRYSLER CORP.

Possible Causes
RESTRICTED FUEL SUPPLY LINE
FUEL PUMP INLET STRAINER PLUGGED
FUEL PUMP
FUEL FILTER/FUEL PRESSURE REGULATOR
FUEL INJECTOR(S)
FUEL CONTAMINATION

For a complete Powertrain Control Module Circuit Diagram, (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .