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Re: weird idle problem 94 900s need help (dean)
Posted by Dean (more from Dean) on Tue, 18 Jan 2005 08:03:47
In Reply to: weird idle problem 94 900s need help (dean), maz, Mon, 17 Jan 2005 22:31:02
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You do not have DBD-II, so some diagnostics will be difficult. Can you read any flash codes?
The ECU may be holding the IAC valve open to do this as a reaction to a bad throttle body position sensor. The TPS is a variable resistor. Check its wires.
For N/A engine: Blue/white wire should be around 2.4 - 3.4 V for closed throttle. Will be .7 to 1.0 volts at WOT.
If the throttle plate does not close mechanically, that would be a problem.
posted by 68.91.152...
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