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Home >> Jeep >> 2022 >> Renegade Trailhawk >> Repair and Diagnosis >> Engine Performance >> System >> 1.3L - DTCS P1D73 To P2122 >> DTC Troubleshooting >> P1DBD-Fuel Pressure Sensor Rationality >> Possible Causes

Possible Causes

Possible Causes
FUEL SYSTEM LEAK OR RESTRICTION
FUEL RAIL PRESSURE SENSOR
FUEL PUMP

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .