what's map/baro

Asked by Sep 07, 2014 at 12:06 PM about the 1998 Chevrolet Monte Carlo

Question type: Maintenance & Repair

I put a computer device on car and its showing  map/baro high. What is this?

1 Answer


The MAP (Manifold Absolute Pressure) sensor measures intake manifold vacuum and converts the vacuum signal to an electronic signal for the computer. In the old days it was called a BARO (Barometric) sensor. Same sensor, different name. HTH. -Jim

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