OK, lets see what you guys can come up with for my dilemna. I haev an 83 J10 trail only rig. Stock 6 cylinder with HEI and Weber carb. Fuel cell, no bed, etc. I had it out on the trail yesterday and it ran like POOP! Backfiring, dying and not restarting, etc. It seems like it is starving for fuel, but the backfiring would indicate too much fuel. When I gace it gas, it would bog, then it would suddenly backfire and take off. I did notice that the choke plates on the carb were always mostly or partially closed and the engine was running very warm, not overheating, but very close. Can't give you an exact temp since my temp gauge does not work. It runs good when it is cold. Any thoughts?
Trail rig issues - won't stay running
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Water in the gas?
I recently had similar issues with my CJ-7 trail rig that I don't drive too often. I think condensation in the tank built up. I put a bottle of Heet water remover in it and it worked perfect the next day.
Worth a shot before you start taking stuff apart. I assumed it was my Pro-Jection TBI malfunctioning at first.Dean
'79 J10
'77 Cherokee Chief
'79 CJ-7
'79 CJ-5
'46 CJ-2A
'93 ZJ Limted
'79 Cherokee Chief (traded for the J10)
'79 Wagoneer (RIP)
'13 FLSTN Softail Deluxe
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I run a 32/36 on my J10 and the only time I have gotten that symptom is when the engine is cold and I try to take off before it is warm. But once warm, it runs great.
Do you have a vacuum gage? If so what are you reading at idle with the engine warm? Also, did you tune the carb the way Weber says? The carb can be very picky if its not adjusted the exact way they say too.
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With the elec. choke, I need a keyed 12 volts to the choke correct? I do not seem to have any juice going to the choke at all. Where would be a easy place to get a keyed 12 volts? It ran great last fall, the last time I had it out before a broke a poop-load of stuff.FSJ-Earl
2002 F350 Diesel - tow rig / family hauler
2008 4 door JK Rubicon - Wife's Daily Driver
1989 GW - the one that started it all
1983 - J15 - J10 body + J20 running gear = J15 Trail rig
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I wired mine directly to the selenoid terminal that has power whenever the key is in the on/run position.1974 Jeep j10 / AMC 360
Performer Intake / Edelbrock 650
Mallory HEI ignition / Comp Cams low end cam
6" Lift Spring / SOA / 1" Shackle Front
Shackle Flip / 4" Block / 3" AAL Rear
3" Body Lift
38.5x15 Super Swamper TSL Boggers
Corporate 14 Bolt Rear / D60 Front (4.88)
Build Log
http://www.ifsja.org/forums/vb/showthread.php?t=114629
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