P1105 Buick HO2S Heating Circuit Bank 1 Sensor 2 Short To Positive

P1106 Buick Manifold Absolute Pressure Sensor Short Circuit Intermittent High Input

Possible causes

– Faulty Manifold Absolute Pressure (MAP) sensor
– Manifold Absolute Pressure (MAP) sensor harness is open or shorted
– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Engine rough idle
– Engine hesitation

P1106 Buick Description

Manifold Absolute Pressure (MAP) sensor

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