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*Hard Start Fuel System: Notes

For the Engine circuit diagram (Refer to SCHEMATICS AND DIAGRAMS ).

For a complete wiring diagram, Refer to  SYSTEM WIRING DIAGRAMS  .

Possible Causes 

  1. FUEL CONTAMINATION
  2. RESTRICTED FUEL SUPPLY LINE
  3. FUEL PUMP INLET STRAINER PLUGGED
  4. FUEL PUMP MODULE
  5. FAULTY FUEL PUMP MODULE
  6. FUEL INJECTOR(S)