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Home >> Jeep >> 2007 >> Grand Cherokee Laredo, 3.0 M >> Repair and Diagnosis >> Engine Performance >> System >> Diesel - DTCS P0100 To P0197 >> P0193-Fuel Rail Pressure Sensor High >> Possible Causes

Possible Causes

Possible Causes 
INTERMITTENT DTC
(K350) FUEL PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K181) FUEL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K359) FUEL PRESSURE SENSOR GROUND CIRCUIT SHORTED TO VOLTAGE
(K181) FUEL PRESSURE SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(K359) FUEL PRESSURE SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
FUEL PRESSURE SENSOR
ENGINE CONTROL MODULE (ECM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.