P0079 VOLVO Exhaust Valve Control Solenoid Circuit Low Bank 1

Possible causes – Faulty Exhaust Valve Control Solenoid– Exhaust Valve Control Solenoid Circuit harness is open or shorted– Exhaust Valve Control Solenoid Circuit circuit poor electrical circuit connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0080 VOLVO Exhaust Valve Control Solenoid Circuit High

Possible causes – Faulty Exhaust Valve Control Solenoid– Exhaust Valve Control Solenoid harness is open or shorted– Exhaust Valve Control Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0089 VOLVO Fuel Pressure Regulator 1 Performance

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 Soon Warning Light) P0089 VOLVO OBD Code Description The Engine Control Module (ECM) uses commanded…