Question about 2004 Buick Rendezvous

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Car starts to idle high after driving for awhile

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Have you AIC motor and port checked for operation and blockages, as well as the throttle position sensor.

Posted on Nov 13, 2009

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While the engiine is idling listen for a hissing sound. i beleive a vacume line may have come loose or broken. Vacuum leaks are the main cause of idle issues

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What is the good idling for a car driving at 40mph? Because it idles at 2000 rpm's and I think thats a little high? the car is 97 toyota camry 4 cyl 2.2. Also after I stop it has a certain smell. Good...


A car cannot idle when you are driving, the term "idle" is only used when the car is stopped and motionless. You mean the the car's RPM's are at 2000 when driving at 40mph. The RPM's are normal at that speed and you cannot change it unless you change the gear ratios inside your Transaxle.

The smell you are referring to may be a oil leak of some sort, you may need to look on the ground after you are parked awhile and see if there is fluid leaking and try to determine what type of fluid it is so you can trace what component is leaking.

Apr 29, 2011 | 1997 Toyota Camry

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Idle is too high won't kick down, whether its cold or been driving for awhile.


This may be due to a vacuum leak, start the engine and open the hood and listen around the engine for a hissing sound that will be a vacuum leak. this is the most common reason for a higher than normal idle,

Feb 18, 2011 | 1993 Geo Prizm

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1993 Ford Mustang LX 2.3L 38,000 miles automatic Car takes a few seconds to start when turning the ignition When it does start is stutters a second then returns to idle When just started car hesitates...


Try getting the codes pulled at a car parts shop. Usually the computer will keep it in its history. It sounds like it is an ignition problem. If there is no stored code I would look at things in this order: spark plugs, ignition wires, distributor/coil. If none of these seem to be the problem you may have to take it to a shop. If it was just the start and idle problem I would say it is something with what I said but that high RPM thing seems strange.

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Overheatin and idleing high with a spurge


is it full on water?
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Apr 15, 2010 | 1995 Eagle Talon

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After replacing battery the engine will not idle, it dies out or runs rough.


after changing the bateery u need to drive the car awhile.. you have to relearn the computer programming. start car and feather gas pedal keep it started and drive a bit.. computer will relearn and be ok

Oct 05, 2009 | 2000 Toyota Tundra

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Engine won't start until car sits for awhile after


replace the IAC or clean it. If it doesnt open when you try to start your engine it will not start, after it cools down it may work and let it start Idle Air Control Valve

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