Check Engine Light due to moisture freezing in MAP sensor on Honda Civic Si

On certain models in colder climates the Check Engine light can set due to moisture in the Manifold Absolute Pressure (MAP) sensor freezing. The MAP sensor needs to be replaced and on some models the intake manifold needs replacing also.

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Average mileage: (–)
2 model years affected: 1999, 2000
2 people reported this problem
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