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Discussion Starter · #1 ·
The jeep my dad and I fixed up has an issue that I am stuck on. It runs good and will start and idle like a champ, but when you're driving it, if you push the clutch and come to a stop it won't hold idle, dies almost every time.


Any thoughts?
 

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Injected or carburated?
 

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Idle better when in neutral and no clutch?
 

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Discussion Starter · #4 ·
carb
 

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Discussion Starter · #5 ·
I should clarify....I believe it was originally tbi, but was at some point switched to an aftermarket carb.
 

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Anyway, check for air leaks (vacuum). Most likely place to start if idle is not consistent.
Then you check electrical stuff. Resistance increases with heat, so a cold engine can act differently than a warm one.
 

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I feel your pain. I used to have a Mazda RX7, rotary motor, that was the same way. It took a lot of skill to work all three petals to keep it running when at a stop.

I agree with UH. Probably a vacuum issue.

Good luck.
 

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possibly a faulty pressure plate, holding some force on th clutch, just enough to not the the engine idle freely from the transmission.
 

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Originally posted by Jeremy
possibly a faulty pressure plate, holding some force on th clutch, just enough to not the the engine idle freely from the transmission.
My thought exactly or a bad Throw out bearing
 

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Discussion Starter · #11 ·
Originally posted by Bronco Brian
How about in neutral warm?
If it's just sitting it will idle all day. Only dies when driving and coming to a stop. with the clutch in and braking it won't hold idle.
 

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If sitting, and you hit the brake, if the engine wants to die, prolly the vacuum booster.
But an aftermarket carb to replace fuel injection? Who thought that was a good idea?
Oh, well. Vacuum boosters are an easy changeout.
 

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Originally posted by Hoytshooter
Originally posted by Bronco Brian
How about in neutral warm?
If it's just sitting it will idle all day. Only dies when driving and coming to a stop. with the clutch in and braking it won't hold idle.
OK try this, drive it around and get it warm, while driving put it in neutral and apply brakes and come to a stop. If it idles and seems fine then I would look at your clutch parts as a couple have mentioned. Good luck.
 

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Discussion Starter · #14 ·
It's got a brand new clutch in it.

It doesn't matter if you have it in gear or in neutral, if you're driving it and bring it to a stop it will die.
 
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