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'99 revs high on startup

Old Nov 1, 2004 | 01:03 AM
  #1  
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'99 revs high on startup

it seems to rev high for a few minutes when i first start it up. usually between 1400-1700rpm

seemed to only start doing it recently (ive had the car a few months), but then again, it just started getting cold, is this just the car warming itself up?
Old Nov 1, 2004 | 02:15 AM
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I've noticed mine does this when it gets cold....so that might be it
Old Nov 1, 2004 | 04:39 AM
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clean your throttle body..it may help
Old Nov 1, 2004 | 07:24 AM
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yea i got the same problem on my 97 its only for a few minutes though, it does not matter what kinda weather it is .
Old Nov 1, 2004 | 08:13 AM
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Originally Posted by Phatmax98
clean your throttle body..it may help
thats what i did it, helped a lil bit
Old Nov 1, 2004 | 09:47 AM
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thats normal.... if you engine is cold every car does that to get the engine warm up
Old Nov 1, 2004 | 10:03 AM
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hahahahha.....you guys kill me. Your car is doing exactly what it is supposed to do, don't worry about it.
Old Nov 1, 2004 | 11:20 AM
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Normal. Just a cold start is all.
Old Nov 1, 2004 | 11:02 PM
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heh, i used to drive a '66 malibu, im not used to a car having a brain. it just does things sometimes that worries me. i guess my car is just smarter than me


anyways, thanks for the help
Old Nov 2, 2004 | 05:10 AM
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You can adjust the cold start idle speed.

On the lower linkage down below the TB, slightly to the left there is a plunger that comes out of the TB. Thats the cold idle plunger. It moves in and out, pushing against the lower linkage, opening the TB plate slightly for a cold start. There is a screw on that linkage that will adjust the amount the throttle is held open when the engine is cold. I have mine set to approx. a 1500 RPM start up. If you look closely on the first cam plate, there is a scribe mark on it. That mark lines up with another mark on the link it sits on. If you line those two marks up on a cold morning, you should have a cold start of approx 1500 RPM's, which quickly drops to around 1250 as your engine warms up.

The Haynes manual describes that procedure.
Old Nov 2, 2004 | 05:57 AM
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OMG! My car works properly! what do I do?
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