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Dieseling problem

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Old Dec 30, 2003 | 05:45 PM
  #1  
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From: Yuma Arizona
Default Dieseling problem

Its been awhile since I've been on the forum, been busy with school and the such. I have noticed a problem recently with my 77 (its got a brand new edelbrock carb on it). After sitting for a couple days, I can start the car on the first turn of the ignition, but I have to give it a little gas or else it will stall. I haven't had to do this before, and was just wondering if an adjustment needs to be done. Next, after it runs for a while, when I turn the ignition key to the off position, the car diesels for around 10 seconds and then finally dies. If I start it again and run if for another while, it won't do it when I turn it off. Any suggestions? (Sorry for the looong message) Thanks everyone!
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Old Dec 30, 2003 | 10:07 PM
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Default Re: Dieseling problem (Jerpitcher)

Check the fast idle linkage ,sounds like it might be sticking when cold.
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Old Dec 31, 2003 | 01:16 AM
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Default Re: Dieseling problem (Perfomer)

I appreciate your reply! I'll check that out next time I get a chance
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Old Dec 31, 2003 | 05:39 AM
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Love My 72 and 77
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Default Re: Dieseling problem (Jerpitcher)

I dont know much about carbs but sometimes if the timing is advanced too far it will diesel :smash:
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Old Dec 31, 2003 | 08:31 AM
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From: eville in
Default Re: Dieseling problem (Love My 72 and 77)

and to rich, (fuel still going in after ign. off)
you could have some carbon build-up in combustion cambers, a hot spot can light it off after shut down.
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Old Dec 31, 2003 | 09:03 AM
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Default Re: Dieseling problem (comp)

Isnt pouring some water down the carb a oldschool trick to remove carbon deposits? :smash: :cheers: :smash:

Happy new year to ya`ll :cheers: :cheers:
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Old Dec 31, 2003 | 10:57 AM
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From: eville in
Default Re: Dieseling problem (BB wowbagger)

yep! but don't pour dribble it in with engine warm, not all the way hot, i change oil after to, 305's seam to need de-carbined more that any others
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Old Dec 31, 2003 | 07:21 PM
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Default Re: Dieseling problem (comp)

thank you everyone for your replies! I'll check it out and get back to y'all!
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