P0080 ISUZU - Exhaust Valve Control Circuit High Voltage
- Faulty Exhaust Valve Control Solenoid
- Exhaust Valve Control Solenoid harness is open or shorted
- Exhaust Valve Control Solenoid circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P0080 Isuzu Description
Exhaust valve timing control magnet retarder controls the shut/open timing of the exhaust valve by ON/OFF pulse duty signals sent from the Engine Control Module (ECM
). The longer pulse width retards valve angle. The shorter pulse width advances valve angle.