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International Automotive Technicians Network
Re: High Idle and high IAC counts
Posted to Technical Discussion Forum on 11/9/2010 1 Reply

Hi Merle,

Here's an example of what Scott H. and Lance are talking about. This vehicle had a defective PCM. The TPS reading is with the TPS connector disconnected off the sensor. If you notice the IAC counts are at 89, throttle angle is 37%, vehicle speed is... Login to read more.

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