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Diagnostic is a diagnostic trouble code (DTC) for "Trouble Code (DTC) P1108 - Barometric Pressure (BARO) Sensor - Circuit/Voltage High". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $114.99 . Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.0 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
The P1108 code is a manufacturer-specific powertrain code related to fuel and air metering. In this case it means that the engine control module (ECM) has detected a fault with the barometric pressure (BARO) sensor signalling a higher than normal voltage signal. It may also be due to a fault with the Manifold Absolute Pressure (MAP) sensor.
As the P1108 code is manufacturer specific, the following manufacturers may have specifics regarding their specific makes including, but not limited to Acura, General Motors, Honda, Isuzu, Jaguar, and Saab.
Codes related to the P1108 include:
A code P1108 will be stored when the Manifold Absolute Pressure (MAP) or BARO sensor sends the ECM a higher than normal voltage signal. The MAP sensor is used to read the incoming air charge to an engine. When the BARO sensor reports a voltage higher than predetermined manufacturer parameters, a code can be stored.
Several problems may cause a P1108 code including:
Symptoms of a P1108 code may include:
A mechanic may use several methods to diagnose a P1108 trouble code, including:
At times, it is possible to believe the MAP or BARO sensors are the culprit of a P1108 code, however before replacing these more expensive components, it is recommended to seek the assistance of a professional to fully diagnose wiring and electrical circuitry for possible damage and repair prior to sensor replacement.
Because a vehicle’s safe driving operation most likely will be impacted due to faults that store a P1108 code, this code is considered a potentially serious code. When this code appears, it is recommended to immediately take your vehicle to your local service center or mechanic for repair and diagnosis.
Several repairs can fix a P1108 trouble code and include:
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