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01-24-2011, 10:57 PM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Fresno California
Posts: 65
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Truck wont idle!
86 with quadrajet,This happened all of the sudden. It starts everytime but When it first starts it runs for a sec then starts to lop real bad wanting to die, but if you rev it up a little it runs fine. It doesnt want to Idle .Maybe its running to lean???. I Dont know how to adjust anything on these computer controlled carbs so i dont know where to start!.And my wife wont let me spend money at a shop on it! haha any ideas is greatly appreciated.
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 1986 GMC Sierra Classic 4X4
Last edited by Scott26; 01-24-2011 at 10:59 PM. |
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01-25-2011, 04:48 AM
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#2 |
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Gettin It One Pice At A Time
Join Date: Oct 2004
Location: everett, washington
Posts: 2,688
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Re: Truck wont idle!
First things first. Go through every vacuum line and check it over. Also check your PCV valve.
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RIP ELJAY   Work In Progress 1979 GMC C1500 Trailering Special. Getting the truck done, one piece at a time. “You can tell a lot about a fellow’s character by his way of eating jellybeans.”Ronald Reagan “I don’t know the key to success but I know the key to failure is trying to please everybody.” Bill Cosby |
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01-25-2011, 08:39 AM
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#3 |
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Registered User
Join Date: Sep 2008
Location: Bailey, NC
Posts: 2,462
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Re: Truck wont idle!
It does sound like a vacuum leak. You could spray carb cleaner around in spurts to pinpoint the location of the leak. When the carb cleaner gets around the leak the idle will pick up. That's if you can keep it running long enough.
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Jeramy '84 GMC project truck '85 Chevy 4X4 SOLD '07 Chevy Trailblazer SS 5th Annual SHPHC Car/Truck Show Pics http://67-72chevytrucks.com/vboard/s...d.php?t=543605 UPDATED PICS! CHECK 'EM OUT |
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