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Home >> Jeep >> 2010 >> Wrangler X >> Repair and Diagnosis >> Engine Performance >> System >> DRIVEABILITY - Non-DTC Diagnostics >> Diagnosis and Testing >> Checking The Fuel Delivery System >> Notes

Checking The Fuel Delivery System: Notes

Fig 1: Fuel Pump Module Circuit
GC0131917Courtesy of CHRYSLER LLC

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article(s).

Possible Causes 
RESTRICTED FUEL SUPPLY LINE
FUEL PUMP INLET STRAINER PLUGGED
(K31) FUEL PUMP CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE
(K31) FUEL PUMP CONTROL CIRCUIT SHORTED TO GROUND
(K31) FUEL PUMP CONTROL CIRCUIT OPEN
(N1) FUSED FUEL PUMP OUTPUT OPEN
(N1) FUSED FUEL PUMP OUTPUT SHORTED TO GROUND
FUEL PUMP MODULE
TOTALLY INTEGRATED POWER MODULE (TIPM)
POWERTRAIN CONTROL MODULE (PCM)