P0109 Code – Manifold Absolute Pressure Barometric Pressure Circuit Intermittent

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Code P0109 Possible Causes
Faulty Manifold Absolute Pressure MAP Sensor
Manifold Absolute Pressure Sensor circuit poor electrical connection
Manifold Absolute Pressure Sensor harness is open or shorted
Dirty mass air filter
Dirty mass air flow sensor
Faulty mass air flow sensor

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