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Home >> Jeep >> 2021 >> Cherokee High Altitude, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS B1810 To P0087 >> DTC Troubleshooting >> P0004-Fuel Quantity Control Circuit High >> Possible Causes

Possible Causes

Possible Causes
FUEL QUANTITY SOLENOID HIGH SIDE CONTROL CIRCUIT SHORTED TO ANOTHER CIRCUIT
FUEL QUANTITY SOLENOID LOW SIDE CONTROL CIRCUIT SHORTED TO ANOTHER CIRCUIT
FUEL QUANTITY SOLENOID
POWERTRAIN CONTROL MODULE (PCM)

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