Technical Definition:

Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1

Technical Description:

Possible Causes:

• Low engine oil level or contaminated oil
• Clogged oil system
• Malfunctioning control solenoid
• Malfunctioning camshaft actuator
• Timing chain/belt loose or incorrectly adjusted
• Malfunctioning ECM/PCM

Possible Symptoms:

• MIL (Malfunction Indicator Lamp) illumination
• Poor acceleration or engine performance
• Decreased fuel economy

Exhaust Valve Control solenoid Circuit Range/Performance Bank 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes: