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1990 Chevrolet C K1500 W/T Ext Cab

1990 Chevrolet C K1500
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February 18, 2011, 12:14 pm

AutomotiveForums M
 

Question: idle is too fast when you first start the truck?

When you start the truck it idles way too fast?


February 19, 2011, 8:11 am

Ron W
Expert Mechanic

When it is cold the idle should be higher, then drop down as the engine warms up. If it is too high, then the Idle Air Control valve may not be working correctly or you may have a vacuum leak.


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February 20, 2011, 1:22 pm

AutomotiveForums M
 

thank you very much. we will check on this today!


0/0 users found this helpful.

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