Possible Cause

NOTE:  The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

• BARO sensor range/performance problem
• EVAP leak check module pressure sensor range/performance problem
• Manifold absolute pressure (MAP) sensor range/performance problem
• Purge control solenoid failure
• Air cleaner element clogged
• Valve timing incorrect
• Throttle body air leak
• Intake manifold air leak