1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

choke issues

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Old 12-24-04, 08:25 PM
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choke issues

hey,

Lately when i pull out the choke and let it warm up, for the first 45 seconds - 1 minute it keeps the engine at a steady 2000 RPMs. But after that first minute or so, the idle gets lower and lower. The choke **** is staying out all the way, but the idle drops and sometimes low enough so that the engine dies. I don't really know whats going on..and yea, im a big newb. Is something going on with the cable? Any help would be great.

thanx
Old 12-24-04, 08:41 PM
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Dont feel bad my choke somehow got fried and now after the smoke cleared in the cab, my cable is stuck solid. I had a similar problem with my car. All I did was replace the carb and all was good again.
Old 12-24-04, 08:56 PM
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oh, that sucks.

but...are you saying i should replace my entire carb? I don't really think thats necessary...
The car runs perfectly, carb is great. Only problem is while its warming up, the choke doesn't keep the RPMs up...
Old 12-24-04, 09:29 PM
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i have the same problem. So far i think i have it attributed to a vaccume leak on the hose that the AABV went to on the intake mani. I am now just waiting on a nikki carb spacer.
Old 12-24-04, 10:00 PM
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sorry........the AABV? lol
Old 12-24-04, 10:20 PM
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correct me if im wrong but anti after burn valve?
Old 12-24-04, 10:33 PM
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i've been reading, and i think thats right.
I have something to add though. Im pretty sure my rats nest has been removed. When you do that, isn't the AABV removed? (what does the AABV do, anyway?)
I thought that might important to mention...
Old 12-24-04, 11:12 PM
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Mine will do sort of the same so that I have to keep my foot on the gas to keep it at a steady 2k rpms until it warms up a bit, then it stays there until the choke goes back in. If I don't keep my foot on the pedal for the first couple of minutes, it will slowly die.
Old 12-25-04, 11:38 PM
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adjust the two screws on the drivers side of your carb. one on the left is for fuel mixture the one up a little higher on the right is for idle. try setting your idle a little higher and adjusting the fuel one until the engine sounds like its idling right. and make sure your timing is set right

i know i had a similar prob with the choke stalling out my car when i first got it (not even a month ago) and right now its idling perfect since i played around with that.

if all else fails, rebuild the carb. another thing on my to-do list
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