what is a map sensor how does it work what does it control

2005 TOYOTA COROLLA
10,000 MILES
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ZEDHI
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the car have a problem starting
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Nov 5, 2011 at 3:04 AM
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JACOBANDNICKOLAS
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That stands for Manifold Absolute Pressure sensor (MAP). It determins the air flow in the intake, sends a signal to the ECM, and from that the computer determines the correct fuel metering to the engine.
Nov 5, 2011 at 3:09 AM
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JACOBANDNICKOLAS
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I wanted to add... Make sure the fuel pressure is within spec.
Nov 5, 2011 at 3:12 AM
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