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1996 Chevrolet Blazer Question: 108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input

 

Question

jsjones64, North Vernon, IN, April 02, 2011, 14:39
 Rookie

what dose this code mean and what operates it

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  • Answer #1

    Superbob April 06, 2011, 17:24
     Master

    Diagnostic code P0108 indicates that the computer has detected that the manifold absolute pressure/barometric pressure sensor (MAP) is reading out of range. It reads intake manifold vacuum when the engine is running and barometric pressure when the ign is on but the engine isn't yet running. If the engine runs well then I'd suspect the MAP sensor itself is defective or that maybe the vacuum line to it is deteriorated or has oil or water in it. That's if it has a vacuum line, it may be mounted directly into the intake manifold. It's located at the right rear of the intake manifold.
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