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P0079 VOLVO

P0079 VOLVO - Exhaust Valve Control Solenoid Circuit Low Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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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

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0079 Volvo 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.
OBDII Code P0079 Volvo - Exhaust Valve Control Solenoid Circuit Low Bank 1 - AutoCodes.com

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P0079 VOLVO Comments

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