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On my 2000 mercury village what should my MAP sensor reading be when the rpms are increased from an idle?

On my villager the MAP sensor volt reading is 4.2 before starting the engine and goes down to 1.2 when idleing. These readings seem fine. My repair manual says that the reading should increase as the rpms are increased. When I do increase the rpms my reading goes up for just a second, but then drops down to 1.2 or lower while the rpms are still increased. Should the reading stay up higher the whole time the rpms are increased? Does this mean my MAP sensor is bad?

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Please watch the video on how to test a MAP sensor. MAP Sensor Quick Fix

Posted on Dec 03, 2016


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go to villager quest yahoo group for expert help. Sounds like a dirty MAF sensor. Clean heated wires with carb cleaner.

TPS readngs are good.

fuel pressure should be 43 engine off, and 34 engine running.

try disconnecting front oxygen sensor for a day & see if better.

Read All ABut files at our site.


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