please help

Asked by Feb 14, 2014 at 12:21 PM about the 1999 Saturn S-Series 3 Dr SC2 Coupe

Question type: Maintenance & Repair

Can anybody tell me what all can cause the car to idle too high,even when there is no engine light

2 Answers

105

Generally, when a vehicle idles too high it's because of an imbalance in the fuel/air mixture ratio, but there could also be a lot of other things. Have you checked the oil? If it's low on oil, it could be partially at fault. Also, when's the last time you went to the dealership and had regular maintenance done? Sometimes, the mechanics can offer and insight. I hope the situation gets resolved for you!

235

I had a dirty linkage on a 95 SC2 that caused a similar high idle and revving. It took the dealer a couple times to clean and lube it before it stopped.

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