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Old 03-09-2014, 10:57 AM   #1
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Engine dies when coming to a stop

Expert advice needed! I have a 66' CJ5 with a Buick V6 and 4speed manual.I can start it fine and it will idle fine but when I drive, it will stall every time I come to a stop.I've put fresh gas in and checked the fuel filter which looks good.Thinking I will have to pull the carb off & clean it.Does anyone know if these are rebuildable? The choke linkage seems like it is bound up a little,the butterfly doesn't move very far when the cable is pulled.Thoughts...
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Old 03-09-2014, 11:36 AM   #2
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yes,they are rebuildable..First,I would check to make sure it does not have a vacuum leak and that it is idled high enough..

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Old 03-09-2014, 11:56 AM   #3

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X2 on the vacuum leak.
Nothing is foolproof to a sufficiently talented fool.
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Old 03-13-2014, 08:27 AM   #4
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3x. If it still has the vacuum heater controls, the rubber tubing for that would be at the top of the suspect list.
1947 CJ 2A, 1949 CJ 3A, 1955 CJ 3B, 1968 CJ 5, 2012 JKUR
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Old 03-14-2014, 01:12 AM   #5
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Originally Posted by duffer View Post
3x. If it still has the vacuum heater controls, the rubber tubing for that would be at the top of the suspect list.

4x on the vacuum leak. I'd also add in fuel filter. My father in law had a "in the tank " type fuel pump with a pre filter...the pre filter partially disintegrated, and when it was parked a while it would start and idle fine, but after sloshing the gas around while driving little pieces would clog the fuel intake.
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Old 07-31-2014, 10:02 PM   #6
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When I had that problem, my mechanic told me it was the throttle/choke getting stuck. I don't use him anymore, FYI. But I am curious about the vacuum heater controls because he had previously fixed my heater (sort of) and maybe that was my true issue!
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Old 08-31-2014, 08:47 PM   #7
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When mine would die when hot and idling/ coming to a stop, ended up being the ignition coil going out. Simple fix, about $40. I thought it was the carb so I bought a new carb and intake manifold to put a 4bbl on it and that didn't solve the problem. Later tracked it down to ignition. Also consider heat soak in the carb.

1977 CJ5
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