Re: please advise throttle cleaning made my high idle worse - Saab 900 Bulletin Board - Saabnet.com
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Check to see if there's a little piece of crud (highly technical term) that's keeping the throttle from closing completely and tripping the closed microswitch in the Throttle Position Sensor (TPS). You can check the TPS by looking for continuity between pins 1 & 2. Just in case my memory is wrong, check continuity between the other pins, too. One if the pin 1, 2, & 3 combinations should have continuity with closed throttle.
If the TPS doesn't indicate closed throttle to the ECU, the ECU will push the idle high.
Posts in this Thread:
- please advise throttle cleaning made my high idle worse, Johnd, Sat, 30 May 2015 02:13:18
- the idle was slightly high .nothing I did changed it, Johnd, Sat, 30 May 2015 11:29:11
- Re: please advise throttle cleaning made my high idle worse, Darren P., Sat, 30 May 2015 10:54:35
- Re: please advise throttle cleaning made my high idle worse, RS , Sat, 30 May 2015 05:44:15 <-- Viewing This Message
- Re: please advise throttle cleaning made my high idle worse, K-Saab , Sat, 30 May 2015 02:52:24
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