Re: turbo warm idle goes from 900-800 - Saab 900 Bulletin Board - Saabnet.com
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Re: turbo warm idle goes from 900-800
Posted by Tmil (more from Tmil) on Thu, 19 Aug 2010 06:58:59
In Reply to: Re: turbo warm idle goes from 900-800, Simon S, Wed, 18 Aug 2010 17:49:10
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Hmm. I tried to set the base idle again. Unscrewed the TPS this time, jumpered the TPS pins, grounded the test wire. Base idle still wouldn't go below 800 rpms, which is curious. Afterwards the idle was still doing the same up and down between 800 and 900 rpms. Did a resistance test and the TPS is ''0'' at closed and ''1' at open -- so that is set correctly. Didn't measure the WOT resistance. I suppose the TPS could be bad.
Did a resistance test on the AMM. It is 595 ohms, well beyond the required 380 ohms. However there is no adjustment screw (there's a port but it's metal and sealed off). So, it seems like the AMM needs replaced.
posted by 160.109.63...
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