P1129 Jaguar Manifold Absolute Pressure Sensor Circuit Higher Than Expected

P1129 Jaguar Manifold Absolute Pressure Sensor Circuit Higher Than Expected

Possible causes
– Faulty Manifold Absolute Pressure Sensor
– Manifold Absolute Pressure Sensor harness is open or shorted
– Manifold Absolute Pressure Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine hard to start
– Rough or erratic idle speed
P1129 Jaguar Description

The Manifold

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