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Chris89turbo

MAP Sensor Questions

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I am still working on my running problem, and we are looking at the MAP sensor.. I wanted to verify a few things, and hoping someone has some general answers or feedback.

What should the voltage be on the MAP Sensor when the car is at idle?

What should the voltage be when the ignition is on, and the car is NOT running?

What kind of voltage range should I see over an accelleration range?

Should I see an INCREASE in voltage when accelerating, or a DECREASE?

Oh.. This is a 1990 SE...

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What should the voltage be on the MAP Sensor when the car is at idle?
1.3-1.7v

What should the voltage be when the ignition is on, and the car is NOT running?
2.45v at sea level

What kind of voltage range should I see over an acceleration range?
Can peak as high as 4.9v under high boost

Should I see an INCREASE in voltage when accelerating, or a DECREASE?
Voltage increases as pressure increases

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