1999 Saturn SL1 idle problems

1999 SATURN SL1
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MATTHEW002
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My car is idle high and then when it's in gear it will be low what could be the problem
Aug 1, 2015 at 2:41 PM
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SATURNTECH9
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So you have a automatic transmission? Also have you checked for codes in the computer yet? Also have you checked to see if the pcv hose is collapsed or has a hole in it? Also how is coolant temp sensor?
Aug 2, 2015 at 7:17 AM