P0088 JEEP Fuel Rail Pressure Signal Is Above Maximum Limit

Possible causes
– Faulty fuel pump
– Blocked fuel filter
– Faulty fuel pressure sensor
– Fuel pressure sensor harness is open or shorted
– Fuel pressure sensor electrical circuit poor connection
– Faulty Fuel injector
When is the code detected?
The Engine Control Module (ECM) ECM has detected that the fuel pressure is above a calibrated value
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)