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Car Forum / Saturn Cars / March 2005high idle
i have a 2001 saturn sc1 service lights codes show #1 eng misfire and also iac system higher than expecter rpm i change the plug and wire and also cleaned out the throttle body what do i do next the engine as soon as it starts rpm is about 1200 >i have a 2001 saturn sc1 service lights codes show #1 eng misfire and also >iac system higher than expecter rpm i change the plug and wire and >also cleaned out the throttle body what do i do next the engine as >soon as it starts rpm is about 1200 Hi, might want to give the starting conditions too, outside temp, was the engine warm or cold, etc... etc... later, tom @ www.CarFleaMarket.com the outside temp was about 60 and no matter if the car is warm or cold it still starts out with high rpm,s and runs high throughout the duration about 4 months ago i had the misfire code i changed all the plugs and wires it fixed the problem and then about a month ago both codes showed up. the car has 75000 miles. i was wondering are they somehow tied together the rpms are 2100 at idle i replaced pcv valve coolant temp sensor. plus the IAC still no help i clear the codes but still coming back after about 10 min of driving Not sure of the year or model, but on some there are two different coolant temperature sensors. One goes to the gauge and the other to the computer. The one that you need to check is the latter. You indicate you changed the CTS, but was it the correct one? Sorry if this does not apply to your year or model, but from your description it does sound like the CTS. Bob > the rpms are 2100 at idle i replaced pcv valve coolant temp sensor. plus > the IAC still no help i clear the codes but still coming back after about > 10 min of driving Coolant temperature sensor? If engine thinks it is cold, idle kicks up and mixture is richened up. Bet your plugs are black from the rich condition. >i have a 2001 saturn sc1 service lights codes show #1 eng misfire and also > iac system higher than expecter rpm i change the plug and wire and > also cleaned out the throttle body what do i do next the engine as > soon as it starts rpm is about 1200 |
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