S-10 & Blazer 1982-2005
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4.3 slow on idling down.

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Old December 23rd, 2018, 6:37 PM
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Default 4.3 slow on idling down.

Hey guy Jamie here. First post so be easy with me lol. I have a 1996 s-10 4.3 five speed 4x4. Problem I’m having is idling down issues when I let off the throttle. It’s so slow that when I go from first to second it will bark the tires when I let off the clutch with foot off from gas. It also idles high on a cold start like about 2500 to 3000 rpms. I’ve changed the IAC valve cleaned the throttle body and egr valve. Any suggestions. Thanks.
Old December 26th, 2018, 6:57 PM
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Originally Posted by Jamie Williamson
Hey guy Jamie here. First post so be easy with me lol. I have a 1996 s-10 4.3 five speed 4x4. Problem I’m having is idling down issues when I let off the throttle. It’s so slow that when I go from first to second it will bark the tires when I let off the clutch with foot off from gas. It also idles high on a cold start like about 2500 to 3000 rpms. I’ve changed the IAC valve cleaned the throttle body and egr valve. Any suggestions. Thanks.
Probably cracked intake or leaking intake manifold.





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