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364 Posts
Discussion Starter #1
Now when the car is cold the car will idle at 2500...when its warm it will idle at about 1500. The motor is a vitara z6 block with a y8 head. I have a z6 adjustable cam gear but it was the y8 cam + head so I advanced the timing 4.5 degrees. No vacuum leaks. The dizzy is in the middle. I'm not sure what else it could be. Could it be the timing?
 

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2001 TL1000R
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509 Posts
vitara build-is it tuned yet? if not i'd retard the timing till u are @ the right idle(use the dizzy) @ least until its tuned(like i said IF its not already)
 

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1988 Honda CRX
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6,676 Posts
You cannot idle faster than the air entering the engine allows. You have some sort of air leak somewhere.
 

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same
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1,881 Posts
check the Idle screw on the TB check the TB itself ight be open or a bad TPS
 

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93 Si hatch
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88 Posts
yeah check ur timing, your vacumm hoses,your intake manifold sensors,the wiring on them not frayed or reading good on the multimeter,if nothing you can check your intake manifold gasket
 
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