Possible causes – Faulty fuel pressure regulator– Fuel pressure regulator harness is open or shorted– Fuel pressure regulator electrical circuit poor connection– Faulty fuel pressure sensor When is the code detected? Fuel rail pressure greater than 1450psi over desired rate
Possible causes – Faulty fuel pressure regulator– Fuel pressure regulator harness is open or shorted– Fuel pressure regulator electrical circuit poor connection– Faulty fuel pressure sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0089 MAZDA Description
Possible causes – Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the code detected? If the fuel rail pressure sensor indicates a
Possible causes – Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the code detected? If the fuel rail pressure sensor indicates a
Possible causes – Faulty fuel pressure solenoid– Fuel pressure solenoid harness is open or shorted– Fuel pressure solenoid electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the code detected? The Engine Control Module (ECM) has determined that
Possible causes – Faulty fuel pressure solenoid– Fuel pressure solenoid harness is open or shorted– Fuel pressure solenoid electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the code detected? The Engine Control Module (ECM) has determined that
Possible causes – Faulty fuel pressure solenoid– Fuel pressure solenoid harness is open or shorted– Fuel pressure solenoid electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the code detected? The Engine Control Module (ECM) has determined that
Possible causes – Faulty fuel pump– Fuel line restricted– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty fuel pressure regulator Symptoms – Engine Light ON (or Service Engine
Possible causes – Faulty fuel pump– Fuel line restricted– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty fuel pressure regulator Symptoms – Engine Light ON (or Service Engine
Possible causes – Faulty fuel pump– Fuel line restricted– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty fuel pressure regulator Symptoms – Engine Light ON (or Service Engine
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0089 Description Fuel Pressure Regulator 1 Performance is the generic definition for the P0089; however your vehicle’s manufacturer may have a different definition and information for the P0089 code.