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Help! 89 Wrangler 4.2L w/ weber carb runs rough
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YJslave
New User
| Posts: 3
| Joined: 12/08
Posted: 12/21/08
08:23 AM
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I bought the jeep 2yrs ago with 72,000 miles (83,000 now)with the weber 32/36 carb. It is tough to start requires pumping gas 2X and cranking 3 or so times. Runs and smells really funky. You get lightheaded standing near the runnning jeep for 2 min. I performed the nutter bypass (disconnected computer)and installed a Juicebox ignition, rebuilt the carb, new plugs, airfilter, wires, cap, rotor and tuned to webers specs.
The jeep would never pass emissions high hydrocarbons, but low CO. Need to have it running better. I am open to all suggestions! Help!
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Posted: 12/21/08
11:52 AM
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Your story sounds a lot like mine. After installing a Weber on my '88, run like crap, ran ok before with old carb so I was wondering what I did wrong. to make a long story short, found cracked vacuum canister under master cylinder. Hope this helps.
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Posted: 03/17/09
05:32 PM
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i feel your pain i also have the same problem.I have a 85 cj7 with a weber 32/36 that runs rough and is dumping gas down its throat.I also put on a fuel presser regulator to put the psi to 3.5 that weber suggests.still dosen't run right to the point it has a stumble to it now.i've been at this problem for a year I REALLY NEED HELP ALSO
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Posted: 04/26/09
01:59 PM
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Hey Guys and Gals, here's what I got and it runs ok.
Primary Seconary
Idle 70 80
Main 150 160
Air 140 140
could use alittle more tuning but ok.
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Posted: 07/18/09
08:22 AM
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Iv have been having the same issues , doing the nutter this weekend then prob off to re jet the carb....
Has anyone else tried the jet settings yet?
Found ones that work better for the weber 32/36
Primary Seconary
Idle 70 80
Main 150 160
Air 140 140
could use alittle more tuning but ok.
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kalikais
New User
| Posts: 19
| Joined: 12/08
Posted: 10/28/09
09:49 AM
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just a quick question about the nutter bypass. does anyone know why the vac advance is switched from manifold vac to ported vac. did mine last weekend and is running great now. but couldnt figure out why the vac advance change is needed. runs great both ways.
my wife says i love my jeep more then her. i reply. will you take your top off and drive me to work?
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