P0088 Hyundai 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

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)