P0079 VOLVO - Exhaust Valve Control Solenoid Circuit Low Bank 1
- 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
- Engine Light ON (or Service Engine Soon Warning Light)
P0079 Volvo DescriptionExhaust 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.
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