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CJ 7 Carb Problems
I need help with an '83 cj7 6cyl, 2bbl carb. I just had the
carburator rebuilt. The jeep runs great untill I hit 4th gear. It seems like its flooding out, or like I dont have enough rev's to be in that high a gear. (I get only about 9 mph) I replaced the choke pulloff with no change. Vacum lines seem to be good. This happens wether the engine is hot or cold. Any help woulg be great. |
Re: CJ 7 Carb Problems
How did it drive before?
When it warms up, is the choke open and the plate held fairly solidly in place? Other than that I would suspect maybe the throttle linkage is in the wrong hole for the accelerator pump and vacuum piston rod so it over-centers them at full throttle. It needs to be on the inner lever's hole by the finger lifter. Next I would suspect the carb base plate got in upside down maybe. The emissions stuff is still working right? If it isn't, then I would point you to other things. You are getting crap for mileage, mine gets about 23 mpg highway. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) a.limberg@insightbb.com wrote: > I need help with an '83 cj7 6cyl, 2bbl carb. I just had the > carburator rebuilt. The jeep runs great untill I hit 4th gear. It > seems like its flooding out, or like I dont have enough rev's to be in > that high a gear. (I get only about 9 mph) I replaced the choke > pulloff with no change. Vacum lines seem to be good. This happens > wether the engine is hot or cold. Any help woulg be great. > |
Re: CJ 7 Carb Problems
How did it drive before?
When it warms up, is the choke open and the plate held fairly solidly in place? Other than that I would suspect maybe the throttle linkage is in the wrong hole for the accelerator pump and vacuum piston rod so it over-centers them at full throttle. It needs to be on the inner lever's hole by the finger lifter. Next I would suspect the carb base plate got in upside down maybe. The emissions stuff is still working right? If it isn't, then I would point you to other things. You are getting crap for mileage, mine gets about 23 mpg highway. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) a.limberg@insightbb.com wrote: > I need help with an '83 cj7 6cyl, 2bbl carb. I just had the > carburator rebuilt. The jeep runs great untill I hit 4th gear. It > seems like its flooding out, or like I dont have enough rev's to be in > that high a gear. (I get only about 9 mph) I replaced the choke > pulloff with no change. Vacum lines seem to be good. This happens > wether the engine is hot or cold. Any help woulg be great. > |
Re: CJ 7 Carb Problems
How did it drive before?
When it warms up, is the choke open and the plate held fairly solidly in place? Other than that I would suspect maybe the throttle linkage is in the wrong hole for the accelerator pump and vacuum piston rod so it over-centers them at full throttle. It needs to be on the inner lever's hole by the finger lifter. Next I would suspect the carb base plate got in upside down maybe. The emissions stuff is still working right? If it isn't, then I would point you to other things. You are getting crap for mileage, mine gets about 23 mpg highway. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) a.limberg@insightbb.com wrote: > I need help with an '83 cj7 6cyl, 2bbl carb. I just had the > carburator rebuilt. The jeep runs great untill I hit 4th gear. It > seems like its flooding out, or like I dont have enough rev's to be in > that high a gear. (I get only about 9 mph) I replaced the choke > pulloff with no change. Vacum lines seem to be good. This happens > wether the engine is hot or cold. Any help woulg be great. > |
Re: CJ 7 Carb Problems
What's the oil smell like, I wonder. My first check would be to make sure the choke plate is wide open when warm, the second would be to see if the float is stuck open. Either failure is going to dump gas into the oil. On Wed, 21 Feb 2007, Mike Romain wrote: > How did it drive before? > > When it warms up, is the choke open and the plate held fairly solidly in > place? > > Other than that I would suspect maybe the throttle linkage is in the wrong > hole for the accelerator pump and vacuum piston rod so it over-centers them > at full throttle. It needs to be on the inner lever's hole by the finger > lifter. > > Next I would suspect the carb base plate got in upside down maybe. > > The emissions stuff is still working right? If it isn't, then I would point > you to other things. > > You are getting crap for mileage, mine gets about 23 mpg highway. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > > > a.limberg@insightbb.com wrote: >> I need help with an '83 cj7 6cyl, 2bbl carb. I just had the >> carburator rebuilt. The jeep runs great untill I hit 4th gear. It >> seems like its flooding out, or like I dont have enough rev's to be in >> that high a gear. (I get only about 9 mph) I replaced the choke >> pulloff with no change. Vacum lines seem to be good. This happens >> wether the engine is hot or cold. Any help woulg be great. >> > -- "We began to realize, as we plowed on with the destruction of New Jersey, that the extent of our American lunatic fringe had been underestimated." Orson Wells on the reaction to the _War Of The Worlds_ broadcast. |
Re: CJ 7 Carb Problems
What's the oil smell like, I wonder. My first check would be to make sure the choke plate is wide open when warm, the second would be to see if the float is stuck open. Either failure is going to dump gas into the oil. On Wed, 21 Feb 2007, Mike Romain wrote: > How did it drive before? > > When it warms up, is the choke open and the plate held fairly solidly in > place? > > Other than that I would suspect maybe the throttle linkage is in the wrong > hole for the accelerator pump and vacuum piston rod so it over-centers them > at full throttle. It needs to be on the inner lever's hole by the finger > lifter. > > Next I would suspect the carb base plate got in upside down maybe. > > The emissions stuff is still working right? If it isn't, then I would point > you to other things. > > You are getting crap for mileage, mine gets about 23 mpg highway. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > > > a.limberg@insightbb.com wrote: >> I need help with an '83 cj7 6cyl, 2bbl carb. I just had the >> carburator rebuilt. The jeep runs great untill I hit 4th gear. It >> seems like its flooding out, or like I dont have enough rev's to be in >> that high a gear. (I get only about 9 mph) I replaced the choke >> pulloff with no change. Vacum lines seem to be good. This happens >> wether the engine is hot or cold. Any help woulg be great. >> > -- "We began to realize, as we plowed on with the destruction of New Jersey, that the extent of our American lunatic fringe had been underestimated." Orson Wells on the reaction to the _War Of The Worlds_ broadcast. |
Re: CJ 7 Carb Problems
What's the oil smell like, I wonder. My first check would be to make sure the choke plate is wide open when warm, the second would be to see if the float is stuck open. Either failure is going to dump gas into the oil. On Wed, 21 Feb 2007, Mike Romain wrote: > How did it drive before? > > When it warms up, is the choke open and the plate held fairly solidly in > place? > > Other than that I would suspect maybe the throttle linkage is in the wrong > hole for the accelerator pump and vacuum piston rod so it over-centers them > at full throttle. It needs to be on the inner lever's hole by the finger > lifter. > > Next I would suspect the carb base plate got in upside down maybe. > > The emissions stuff is still working right? If it isn't, then I would point > you to other things. > > You are getting crap for mileage, mine gets about 23 mpg highway. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > > > a.limberg@insightbb.com wrote: >> I need help with an '83 cj7 6cyl, 2bbl carb. I just had the >> carburator rebuilt. The jeep runs great untill I hit 4th gear. It >> seems like its flooding out, or like I dont have enough rev's to be in >> that high a gear. (I get only about 9 mph) I replaced the choke >> pulloff with no change. Vacum lines seem to be good. This happens >> wether the engine is hot or cold. Any help woulg be great. >> > -- "We began to realize, as we plowed on with the destruction of New Jersey, that the extent of our American lunatic fringe had been underestimated." Orson Wells on the reaction to the _War Of The Worlds_ broadcast. |
Re: CJ 7 Carb Problems
When my float is stuck, it drips gas out the carb at idle and really
messes up under 2000 rpm. If the stepper motor isn't running and it's pins are set wrong he will have the exact symptoms he describes also which is why I asked about emissions systems. Mike Lee Ayrton wrote: > > What's the oil smell like, I wonder. My first check would be to make > sure the choke plate is wide open when warm, the second would be to see > if the float is stuck open. Either failure is going to dump gas into > the oil. > > > > On Wed, 21 Feb 2007, Mike Romain wrote: > >> How did it drive before? >> >> When it warms up, is the choke open and the plate held fairly solidly >> in place? >> >> Other than that I would suspect maybe the throttle linkage is in the >> wrong hole for the accelerator pump and vacuum piston rod so it >> over-centers them at full throttle. It needs to be on the inner >> lever's hole by the finger lifter. >> >> Next I would suspect the carb base plate got in upside down maybe. >> >> The emissions stuff is still working right? If it isn't, then I would >> point you to other things. >> >> You are getting crap for mileage, mine gets about 23 mpg highway. >> >> Mike >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 >> 88 Cherokee 235 BFG AT's >> Canadian Off Road Trips Photos: Non members can still view! >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 >> (More Off Road album links at bottom of the view page) >> >> >> >> a.limberg@insightbb.com wrote: >>> I need help with an '83 cj7 6cyl, 2bbl carb. I just had the >>> carburator rebuilt. The jeep runs great untill I hit 4th gear. It >>> seems like its flooding out, or like I dont have enough rev's to be in >>> that high a gear. (I get only about 9 mph) I replaced the choke >>> pulloff with no change. Vacum lines seem to be good. This happens >>> wether the engine is hot or cold. Any help woulg be great. >>> >> > > -- > "We began to realize, as we plowed on with the destruction of New Jersey, > that the extent of our American lunatic fringe had been underestimated." > Orson Wells on the reaction to the _War Of The Worlds_ broadcast. > |
Re: CJ 7 Carb Problems
When my float is stuck, it drips gas out the carb at idle and really
messes up under 2000 rpm. If the stepper motor isn't running and it's pins are set wrong he will have the exact symptoms he describes also which is why I asked about emissions systems. Mike Lee Ayrton wrote: > > What's the oil smell like, I wonder. My first check would be to make > sure the choke plate is wide open when warm, the second would be to see > if the float is stuck open. Either failure is going to dump gas into > the oil. > > > > On Wed, 21 Feb 2007, Mike Romain wrote: > >> How did it drive before? >> >> When it warms up, is the choke open and the plate held fairly solidly >> in place? >> >> Other than that I would suspect maybe the throttle linkage is in the >> wrong hole for the accelerator pump and vacuum piston rod so it >> over-centers them at full throttle. It needs to be on the inner >> lever's hole by the finger lifter. >> >> Next I would suspect the carb base plate got in upside down maybe. >> >> The emissions stuff is still working right? If it isn't, then I would >> point you to other things. >> >> You are getting crap for mileage, mine gets about 23 mpg highway. >> >> Mike >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 >> 88 Cherokee 235 BFG AT's >> Canadian Off Road Trips Photos: Non members can still view! >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 >> (More Off Road album links at bottom of the view page) >> >> >> >> a.limberg@insightbb.com wrote: >>> I need help with an '83 cj7 6cyl, 2bbl carb. I just had the >>> carburator rebuilt. The jeep runs great untill I hit 4th gear. It >>> seems like its flooding out, or like I dont have enough rev's to be in >>> that high a gear. (I get only about 9 mph) I replaced the choke >>> pulloff with no change. Vacum lines seem to be good. This happens >>> wether the engine is hot or cold. Any help woulg be great. >>> >> > > -- > "We began to realize, as we plowed on with the destruction of New Jersey, > that the extent of our American lunatic fringe had been underestimated." > Orson Wells on the reaction to the _War Of The Worlds_ broadcast. > |
Re: CJ 7 Carb Problems
When my float is stuck, it drips gas out the carb at idle and really
messes up under 2000 rpm. If the stepper motor isn't running and it's pins are set wrong he will have the exact symptoms he describes also which is why I asked about emissions systems. Mike Lee Ayrton wrote: > > What's the oil smell like, I wonder. My first check would be to make > sure the choke plate is wide open when warm, the second would be to see > if the float is stuck open. Either failure is going to dump gas into > the oil. > > > > On Wed, 21 Feb 2007, Mike Romain wrote: > >> How did it drive before? >> >> When it warms up, is the choke open and the plate held fairly solidly >> in place? >> >> Other than that I would suspect maybe the throttle linkage is in the >> wrong hole for the accelerator pump and vacuum piston rod so it >> over-centers them at full throttle. It needs to be on the inner >> lever's hole by the finger lifter. >> >> Next I would suspect the carb base plate got in upside down maybe. >> >> The emissions stuff is still working right? If it isn't, then I would >> point you to other things. >> >> You are getting crap for mileage, mine gets about 23 mpg highway. >> >> Mike >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 >> 88 Cherokee 235 BFG AT's >> Canadian Off Road Trips Photos: Non members can still view! >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 >> (More Off Road album links at bottom of the view page) >> >> >> >> a.limberg@insightbb.com wrote: >>> I need help with an '83 cj7 6cyl, 2bbl carb. I just had the >>> carburator rebuilt. The jeep runs great untill I hit 4th gear. It >>> seems like its flooding out, or like I dont have enough rev's to be in >>> that high a gear. (I get only about 9 mph) I replaced the choke >>> pulloff with no change. Vacum lines seem to be good. This happens >>> wether the engine is hot or cold. Any help woulg be great. >>> >> > > -- > "We began to realize, as we plowed on with the destruction of New Jersey, > that the extent of our American lunatic fringe had been underestimated." > Orson Wells on the reaction to the _War Of The Worlds_ broadcast. > |
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