I don't have any idea on the price on the MAP sensor but this measures the air pressure (airflow) coming through the intake of the engine and sends a signal to the ECU for the proper calibrations on the a/f mixture and combustion. A busted MAP sensor (you sure it's really this?) can cause erratic engine idling amongst some.
On other makes (like Nissan and Mitsu), the counterpart of the MAP sensor is the MAF (Mass Air Flow) sensor. These are sensitive buggers and if they're dirty, corroded (their wires), or miscalibrated, they can give you poor engine performance and erratic idling gremlins.
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May 8th, 2007 11:06 PM #4Last edited by vinj; May 8th, 2007 at 11:09 PM.
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