where is the map sensor located in this car


Asked by Jul 12, 2007 at 03:08 PM about the 2001 Pontiac Sunfire

Question type: Maintenance & Repair

having problems @ 109.000 miles- per the specifics of the diagnostic testing, it is recommended by a mechanic to replace the Map sensor; however, not sure where the map sensor is located under the hood. Need to point out where it is add (all I know it is located "near the firewall". Manual is not specific.  Need some sort of diagram to point out where it is

2 Answers


The MAP sensor is located on the firewall. You can find it by looking at the intake manifold and following the vacuum lines that come out of it to a black cigarette-box or smaller sized sensor. The Manifold Absolute Pressure sensor measures the air pressure inside the intake manifold vs. the atmospheric air pressure to maintain an optimum fuel-air mixture.

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sunfire accelerated to 2.4 when background is not responding, only when it is gradually accelerated as responsive

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