I start my 1999 saturn sl2 and it goes to 3500 r.p.m.s and stays

Asked by manarite Jul 02, 2015 at 10:39 PM about the 1999 Saturn S-Series 2 Dr SC1 Coupe

Question type: General

what is causing my saturn to idle at 3500 r.p.m. . iI replaced the iac also the TBS
checked  vacumm lines. i unpluged map sencor , it lowered to 700 rpm and tried a new
one. rpms still at 3500.

2 Answers
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Paul answered 9 years ago

http://www.cargurus.com/Cars/Discussion- t26269_ds564937 Try this thread it may help...

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Paul answered 9 years ago

TPS,IAC,PVC valve, Did you replace the TPS? I would say check that link joemom sent you & other than that if their are no codes I would take the throttle body off the car & clean it completely otherwise use sea foam in your gas tank & add it to the brake booster vacuum line I think not sure might be a better place to add it. Then see the results might fix the problem?

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