Common Symptoms
- Check Engine Light illuminated
- Poor fuel economy
- Reduced engine power or performance
- Hard starting in certain weather conditions
- Rough idle or hesitation during acceleration
Most Likely Root Causes
- Faulty barometric pressure sensor
- Open or short circuit in barometric pressure sensor wiring
- Corroded or damaged sensor connector
- Failed engine control module
- Damaged sensor signal circuit to ECM
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Component Location
The barometric pressure sensor is typically integrated into the manifold absolute pressure sensor or located inside the engine control module.
Manufacturer Notes
Some manufacturers integrate the barometric pressure sensor into the MAP sensor or ECM rather than using a standalone component.
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