Question about 2003 Hyundai Tiburon
2003 v6 tiburon idles at 2000rpm for first few seconds when cold. If you turn the air on and off it goes down right away. But still the fast idle is high just a few seconds when you have no oil pressure. This is hard on the motor. Bought the car new and it did not do it when I first got it. The dealer says it is normal. I don't believe it. Does anyone know what sensor controls this? Thanks!
On most newer cars there is a fast idle motor controlled by the computer that will hold the fast idle till the engine reaches a preset temp in the computer then the engine should drop down to the set idle according to specs for that car. If the oil pressure continues to stay low after the idle goes down you may need to replace the oil pressure sending unit or if worse case the oil pump.
Posted on Nov 18, 2008
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