P0088 Buick Fuel Rail System Pressure Too High
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
– 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
What about the obd code?
The Engine Control Module (ECM) has determined that the fuel rail pressure is too high for a specific engine RPM
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
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