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

58,735

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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