Matts 850 GLT Posted June 3, 2010 Report Share Posted June 3, 2010 Hello My 94 turbo is acting up. It idles normal 8-900 rpm when cold. When it's warmed up it idles at 1100 rpm. I can't find vacuum leaks so could it be MAF sensor or the coolant temp sensor? Any ideas? Matt Link to comment Share on other sites More sharing options...
ozzimark Posted June 3, 2010 Report Share Posted June 3, 2010 Have you tried backing off a little bit on the throttle plate stop screw? Link to comment Share on other sites More sharing options...
Matts 850 GLT Posted June 3, 2010 Author Report Share Posted June 3, 2010 That is my last ditch. I thought I'd try all options first as the throttle plate is set at the factory. Matt Link to comment Share on other sites More sharing options...
prasamin Posted June 3, 2010 Report Share Posted June 3, 2010 That is my last ditch. I thought I'd try all options first as the throttle plate is set at the factory. Matt have you cleaned out your idle air control valve? the silver bosch cylinder sitting in front of the throttle linkage? Link to comment Share on other sites More sharing options...
KNOXVEGAS S70GLT Posted June 9, 2010 Report Share Posted June 9, 2010 When I had the engine replaced the tech didnt plug in the TPS all the way and idled at 1100. I plugged it back in and it went back to 840 rpms. Link to comment Share on other sites More sharing options...
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