![]() If you suspect that you may have a problem with your MAP sensor, check the following elements first. ![]() A dead MAP sensor won’t read anything, while a failing MAP sensor might give the ECM data that makes no sense, such as low engine vacuum when the throttle position sensor (TPS) and crankshaft position sensor (CKP) both show the engine at idle.Ī Bluetooth OBD2 scan tool is an inexpensive but powerful tool for diagnosing all kinds of engine problems, such as a failing map sensor.Īlain van den hende/PublicDomainPictures/Public DomainĪ functional MAP sensor is a critical part of the maintenance of your vehicle.
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