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No idle valve on a 2002
Posted by BlaaSaab [Email] (more from BlaaSaab) on Wed, 25 Feb 2009 06:04:02
In Reply to: Re: Cold Start Stalling--Clarification, NHWayne, Tue, 24 Feb 2009 15:15:37
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Your theory is sound, except that Trionic 7 cars don't have a separate idle air control (aka IAC, AIC) valve. Instead, the drive-by-wire throttle valve is manipulated by the ECU at idle. This is why some have told me I may need a new/remanufactured throttle body to solve my similar problems.
The temp sensor is on my list of things to investigate for the reasons you described, though. Checking its resistance and comparing to known values is one way, but I guess some people also rig resistors into its wiring connector to see if the car suddenly behaves better. Kinda makes me wish I had just gone ahead and replaced the sensor when I swapped out the thermostat last month!
posted by 216.37.1...
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