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11-10-2004, 03:48 PM
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#1 | |
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AF Newbie
Join Date: Oct 2004
Location: Madison Heights, Michigan
Posts: 9
Thanks: 0
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Drive idle speed
I have a 91 GM, 302, that idles too slow after warm up and while in drive. Is there a manual speed adjustment for this or is this also controlled totally by the computer?
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11-11-2004, 02:27 AM
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#2 | |
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Caution: Monkeys bite!
 
Join Date: Apr 2004
Location: near Denver, Colorado
Posts: 10,143
Thanks: 15
Thanked 75 Times in 70 Posts
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Re: Drive idle speed
On the 5.0/302, there is an adjustment screw. It's located on the front side of the throttle bore, just below the plastic air intake running from the air box. You can reach it from the front with a regular screwdriver.
If turning it up doesn't solve your problem, it might also be your idle air valve/motor, and there are several posts on that. Easy fix either way. |
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11-20-2004, 10:16 PM
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#3 | ||
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AF Newbie
Thread starter
Join Date: Oct 2004
Location: Madison Heights, Michigan
Posts: 9
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Re: Drive idle speed
Quote:
Thank you very much...........exactly as you described..........solved the problem by turning screw. |
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11-22-2004, 10:25 AM
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#4 | |
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Caution: Monkeys bite!
Join Date: Apr 2004
Location: near Denver, Colorado
Posts: 10,143
Thanks: 15
Thanked 75 Times in 70 Posts
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Re: Drive idle speed
Welcome. If the problem comes back and gets worse in a couple weeks, then it's the idle air valve.
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