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prolonged high idle
sebring2005
Member Posts: 4
cold start high idle 1200 rpm for 10 minuits then normalizes to 600. warm start high idle same for 30 seconds then normalizes to 600
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Mr_Shiftright Member Posts: 64,48110 minutes seems like too long for warm-up. You might consider cleaning the idle air control IAC valve and also checking for various vacuum lines to see if the car is sucking in extra air at warm up. You could probably also search around to see how to test the coolant temperature sensor and see if it exhibits proper values.5
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