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Home >> Jeep >> 2021 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> Engine Performance >> System >> 6.2L - DTCS P0850 To P2107 >> DTC Troubleshooting >> P2066-Fuel Level Sensor 2 Performance >> Possible Causes

Possible Causes

Possible Causes
SECONDARY PUMP OR SIPHON TUBE LEAKING OR DISCONNECTED
PRIMARY OR SECONDARY FUEL LEVEL SENSOR FAULTY OR BROKEN
OBSTRUCTION TO THE FUEL LEVEL SENSOR
FUEL TANK DAMAGED
POWERTRAIN CONTROL MODULE (PCM)

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