Re: '88 YJ 258 ci with carter Hard Warm Start
I went manual, it works great for me up here in Canada. I can leave it
set on 1200 or 1500 rpm and drive away. As it 'really' warms up, I drop it down. Mike TJim wrote: > > Yeah, I hate those. I have one on my Grand Waggy and I wish I could find a > good alternative (with the exception of a manual one). > > -- > Jim > -- > 98 TJ SE > 90 SJ GW > http://www.delawareja.com/gallery/JDJeep98 > > "Mike Romain" <romainm@sympatico.ca> wrote in message > news:3F83124C.E7063767@sympatico.ca... > > Jut try tossing a 1/8 cup or a couple tablespoons of gas down the carb > > and see what happens. > > > > If it fires up, you have a hole in the gas line on the suction side of > > the pump or a dead pump that is letting the gas backflow to the tank or > > a torn diaphragm on the pump. > > > > Does the oil on the dipstick smell like gas? > > > > Oh, the choke is an electric timer job. > > > > It will be totally closed after 5 minutes and opens according to how > > long 12 volts has been going to it. Piece of crap actually because it > > doesn't have a clue how hot or cold the engine really is, just how long > > it has had 12 volts. > > > > Mike > > > > "averyislandboy@yahoo.com" wrote: > > > > > > averyislandboy@yahoo.com (averyislandboy@yahoo.com) wrote in message > news:<a188e6f3.0310061659.7b993a15@posting.google. com>... > > > > Mike Romain <romainm@sympatico.ca> wrote in message > news:<3F81672D.DCA34F40@sympatico.ca>... > > > > > You sure sound like you are describing a gas filter that is in > upside > > > > > down or the wrong one. > > > > > > > > > > The stock gas filter has two outlets. The center outlet goes to the > > > > > carb and the 'top' outlet goes to the return line. If the return > line > > > > > isn't at the top, gas will syphon back to the tank causing a vapor > lock > > > > > on the lines. This makes it a real bugger to start after sitting. > If > > > > > they are side by side, then it depends on the angle you park at. > > > > > > > > > > The filter is also supposed to be horizontal from end to end. > > > > > > > > The problem appeared some months after the fuel filter was replaced. > > > > I'm pretty sure it is hooked up as you describe, though I will verify > > > > the orientation of the return line. > > > > > > FYI, the return line isn't all the way at the top, but it's between 10 > > > and 11 o'lock. Checked it today between botched start-up attempts. I > > > made the mistake of jumping right in and turning it over. That works > > > before 10 am, not after lunch for sure. So I get out lift the cleaner > > > assembly enough to put my rubber hose to work and yowzers if the > > > stupid choke isn't completely closed. It's 83 deg outside! So I put > > > the hose in, jam the pedal down and crank and crank and crank -- not > > > even a cough. So I leave the hose in place with air cleaner off and > > > go check some on some things in the lab and come back 45 minutes > > > later. Again, pedal down (I figured I haven't tried much of this > > > lately and maybe I should revisit it). The first crank it pops once > > > and then dies. Crank, crank, crank. Thinking maybe I've run it dry, > > > I pump once and crank, crank. Twice more, crank, crank, crank. Start > > > smelling gas, so I go back inside to post this message. I'm really > > > freaking out now. It's got to be something simple that I'm missing > > > here. Maybe not. Oh well. > > > > > > > > > > > > > > > > A pinhole leak in the gas line from the pump to the tank can cause > the > > > > > same thing. That is the suction line, so a small leak won't really > drip > > > > > out on the ground, but it will let air into it when it sits. A > visual > > > > > inspection can find that, look for a small wet stain on the gas > line, > > > > > usually close to one of the clamps that holds it to the frame, > usually > > > > > at the back one too... > > > > > > > > > I assume that the net result would be that the fuel supply side would > > > > be dry, but I have plenty of fuel in line to the carb. I'm afraid > > > > there's too much actually. I will check, but I have already inspected > > > > the line just as a matter of course (i.e., desparation really. I like > > > > problems that jump out at you, so I look everything over a couple of > > > > times.) > > > > > > > > Thanks, > > > > > > > > Bob > > > > > > > > > > > > > Mike > > > > > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > > > > > 88 Cherokee 235 BFG AT's > > > > > > > > > > "averyislandboy@yahoo.com" wrote: > > > > > > > > > > > > I've been chasing this problem for many weeks now and have > probably > > > > > > replaced 90% the ignition-related components under the hood. The > > > > > > problem manifests itself as a near-impossible start after the Jeep > has > > > > > > sat in my work parking lot all day. While I am anxious to leave > at > > > > > > the end of a long day, the old Jeep seems to want to stay. Sweet > talk > > > > > > and negotiation have also not carried the day with the old bucket > of > > > > > > bolts -- so here I am. > > > > > > > > > > > > I've cleaned, rebuilt and adjusted the carb to factory spec 3-4 > times > > > > > > now. And I'm not just talking float height. I check all those > little > > > > > > freaky measurements they suggest and make sure all linkages are > bent > > > > > > to spec. The rotor and distr cap are new. The fuel pump is new. > The > > > > > > fuel filter is new. The fuel lines are insulated and held away > from > > > > > > the block and exhaust manifold. The plugs are new. The plug > wires > > > > > > are new. The ignition coil resistances are to factory spec > (though it > > > > > > may be the next thing I replace). The compression is good and the > > > > > > timing is per the spec on my hood underside (and check with the > hose > > > > > > plugged and the vacuum switch wire assembly unplugged). > > > > > > > > > > > > Sometimes it goes for days before reappearing (usually right > before I > > > > > > have an important meeting across campus I have to be at in 5 > minutes). > > > > > > Yes, it's not just at the end of the day, sometimes at 10:30, > > > > > > sometimes at noon. > > > > > > > > > > > > The choke was out of whack, despite having the correct color key. > I > > > > > > took it to 2 notches lean and it seems to be closed at the correct > > > > > > times (when it's cold). Nonetheless, I find that I have more luck > if > > > > > > I jam a small piece of rubber hose to hold it all the way open > before > > > > > > I start it. Faithful readers, please realize that I now whip out > the > > > > > > chunk of hose like it's some sort of magical talisman that will > summon > > > > > > the spirit of the Jeep back to life. The spell doesn't always > work, > > > > > > however, and I get to gaze, confused and forlorn, across the > > > > > > freshly-waxed hood and wonder where it all went so wrong. Is > there a > > > > > > special form of Jeep karma that I am failing at. I let it get > muddy > > > > > > sometimes, I even intentionally dash through an innocent > mudpuddle, I > > > > > > always drive it with the top down on nice days. Sometimes I even > take > > > > > > my shirt off too, to share the glory of an exceptional day. But > the > > > > > > good times are forgotten so quickly when I'm in my nice work > clothes > > > > > > bent under the hood while my co-workers strut over to their > mercedes > > > > > > and BMW's and SUV's. I pride myself on being a pretty good > mechanic, > > > > > > but this makes me feel like an idiot. > > > > > > > > > > > > I'm sure I'm going to get a few helpful posts suggesting the old > > > > > > siphon effect on the fuel bowl, but I've checked that. Even > before I > > > > > > crank the puppy, I take the air cleaner off and goose the throttle > > > > > > only to see the two nicest little streams of petro jet down the > throat > > > > > > of my carby. I can do that a number of times before I see any > sign of > > > > > > diminished fuel supply. My extended battle with this problem has > left > > > > > > me thinking that it's more of an issue of flooding than being > lean. > > > > > > The small rubber hose gripped hopefully, desperately, in my hand > most > > > > > > days after work backs me up on this. Plus the odor of gas is > quite > > > > > > strong during my cranking, cranking, cranking -- oh the dreadful > > > > > > cranking. I am constantly amazed at how good my battery is that > it > > > > > > lets me crank that 6-banger so many times. I'm sure my workmates > are > > > > > > equally impressed at how many days I can put myself through the > > > > > > torture of it all. > > > > > > > > > > > > A bit more history on it: it started with troubled morning > starts, > > > > > > but now is pretty much exclusive to warm-weather starts (sitting > in > > > > > > the sun at greater than 75 deg F). I wonder if maybe I fixed the > > > > > > original problem and have been creating a succession of problems > with > > > > > > each new attempt at ultimate correction. > > > > > > My current theory is that perhaps the fuel bowl float is a bit too > > > > > > high, allowing the gas in the bowl to slowly leak down the intake > > > > > > throat whilst it is warmed in the sun. There would be residual > fuel > > > > > > pressure in the line that would refill the bowl a few times as the > > > > > > float opened and closed the valve, I think. I am going to drop > the > > > > > > float an 1/8" or so, but wanted to get some time on the most > recent > > > > > > change (new plugs, again) before I changed something else. > > > > > > > > > > > > Please share you thoughts, or make an offer. > > > > > > > > > > > > Bob Versluys > > > > > > Florence, SC > > > > > > '88 Wrangler Sport Soft-top gray/red "Sadie" |
Re: '88 YJ 258 ci with carter Hard Warm Start
I went manual, it works great for me up here in Canada. I can leave it
set on 1200 or 1500 rpm and drive away. As it 'really' warms up, I drop it down. Mike TJim wrote: > > Yeah, I hate those. I have one on my Grand Waggy and I wish I could find a > good alternative (with the exception of a manual one). > > -- > Jim > -- > 98 TJ SE > 90 SJ GW > http://www.delawareja.com/gallery/JDJeep98 > > "Mike Romain" <romainm@sympatico.ca> wrote in message > news:3F83124C.E7063767@sympatico.ca... > > Jut try tossing a 1/8 cup or a couple tablespoons of gas down the carb > > and see what happens. > > > > If it fires up, you have a hole in the gas line on the suction side of > > the pump or a dead pump that is letting the gas backflow to the tank or > > a torn diaphragm on the pump. > > > > Does the oil on the dipstick smell like gas? > > > > Oh, the choke is an electric timer job. > > > > It will be totally closed after 5 minutes and opens according to how > > long 12 volts has been going to it. Piece of crap actually because it > > doesn't have a clue how hot or cold the engine really is, just how long > > it has had 12 volts. > > > > Mike > > > > "averyislandboy@yahoo.com" wrote: > > > > > > averyislandboy@yahoo.com (averyislandboy@yahoo.com) wrote in message > news:<a188e6f3.0310061659.7b993a15@posting.google. com>... > > > > Mike Romain <romainm@sympatico.ca> wrote in message > news:<3F81672D.DCA34F40@sympatico.ca>... > > > > > You sure sound like you are describing a gas filter that is in > upside > > > > > down or the wrong one. > > > > > > > > > > The stock gas filter has two outlets. The center outlet goes to the > > > > > carb and the 'top' outlet goes to the return line. If the return > line > > > > > isn't at the top, gas will syphon back to the tank causing a vapor > lock > > > > > on the lines. This makes it a real bugger to start after sitting. > If > > > > > they are side by side, then it depends on the angle you park at. > > > > > > > > > > The filter is also supposed to be horizontal from end to end. > > > > > > > > The problem appeared some months after the fuel filter was replaced. > > > > I'm pretty sure it is hooked up as you describe, though I will verify > > > > the orientation of the return line. > > > > > > FYI, the return line isn't all the way at the top, but it's between 10 > > > and 11 o'lock. Checked it today between botched start-up attempts. I > > > made the mistake of jumping right in and turning it over. That works > > > before 10 am, not after lunch for sure. So I get out lift the cleaner > > > assembly enough to put my rubber hose to work and yowzers if the > > > stupid choke isn't completely closed. It's 83 deg outside! So I put > > > the hose in, jam the pedal down and crank and crank and crank -- not > > > even a cough. So I leave the hose in place with air cleaner off and > > > go check some on some things in the lab and come back 45 minutes > > > later. Again, pedal down (I figured I haven't tried much of this > > > lately and maybe I should revisit it). The first crank it pops once > > > and then dies. Crank, crank, crank. Thinking maybe I've run it dry, > > > I pump once and crank, crank. Twice more, crank, crank, crank. Start > > > smelling gas, so I go back inside to post this message. I'm really > > > freaking out now. It's got to be something simple that I'm missing > > > here. Maybe not. Oh well. > > > > > > > > > > > > > > > > A pinhole leak in the gas line from the pump to the tank can cause > the > > > > > same thing. That is the suction line, so a small leak won't really > drip > > > > > out on the ground, but it will let air into it when it sits. A > visual > > > > > inspection can find that, look for a small wet stain on the gas > line, > > > > > usually close to one of the clamps that holds it to the frame, > usually > > > > > at the back one too... > > > > > > > > > I assume that the net result would be that the fuel supply side would > > > > be dry, but I have plenty of fuel in line to the carb. I'm afraid > > > > there's too much actually. I will check, but I have already inspected > > > > the line just as a matter of course (i.e., desparation really. I like > > > > problems that jump out at you, so I look everything over a couple of > > > > times.) > > > > > > > > Thanks, > > > > > > > > Bob > > > > > > > > > > > > > Mike > > > > > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > > > > > 88 Cherokee 235 BFG AT's > > > > > > > > > > "averyislandboy@yahoo.com" wrote: > > > > > > > > > > > > I've been chasing this problem for many weeks now and have > probably > > > > > > replaced 90% the ignition-related components under the hood. The > > > > > > problem manifests itself as a near-impossible start after the Jeep > has > > > > > > sat in my work parking lot all day. While I am anxious to leave > at > > > > > > the end of a long day, the old Jeep seems to want to stay. Sweet > talk > > > > > > and negotiation have also not carried the day with the old bucket > of > > > > > > bolts -- so here I am. > > > > > > > > > > > > I've cleaned, rebuilt and adjusted the carb to factory spec 3-4 > times > > > > > > now. And I'm not just talking float height. I check all those > little > > > > > > freaky measurements they suggest and make sure all linkages are > bent > > > > > > to spec. The rotor and distr cap are new. The fuel pump is new. > The > > > > > > fuel filter is new. The fuel lines are insulated and held away > from > > > > > > the block and exhaust manifold. The plugs are new. The plug > wires > > > > > > are new. The ignition coil resistances are to factory spec > (though it > > > > > > may be the next thing I replace). The compression is good and the > > > > > > timing is per the spec on my hood underside (and check with the > hose > > > > > > plugged and the vacuum switch wire assembly unplugged). > > > > > > > > > > > > Sometimes it goes for days before reappearing (usually right > before I > > > > > > have an important meeting across campus I have to be at in 5 > minutes). > > > > > > Yes, it's not just at the end of the day, sometimes at 10:30, > > > > > > sometimes at noon. > > > > > > > > > > > > The choke was out of whack, despite having the correct color key. > I > > > > > > took it to 2 notches lean and it seems to be closed at the correct > > > > > > times (when it's cold). Nonetheless, I find that I have more luck > if > > > > > > I jam a small piece of rubber hose to hold it all the way open > before > > > > > > I start it. Faithful readers, please realize that I now whip out > the > > > > > > chunk of hose like it's some sort of magical talisman that will > summon > > > > > > the spirit of the Jeep back to life. The spell doesn't always > work, > > > > > > however, and I get to gaze, confused and forlorn, across the > > > > > > freshly-waxed hood and wonder where it all went so wrong. Is > there a > > > > > > special form of Jeep karma that I am failing at. I let it get > muddy > > > > > > sometimes, I even intentionally dash through an innocent > mudpuddle, I > > > > > > always drive it with the top down on nice days. Sometimes I even > take > > > > > > my shirt off too, to share the glory of an exceptional day. But > the > > > > > > good times are forgotten so quickly when I'm in my nice work > clothes > > > > > > bent under the hood while my co-workers strut over to their > mercedes > > > > > > and BMW's and SUV's. I pride myself on being a pretty good > mechanic, > > > > > > but this makes me feel like an idiot. > > > > > > > > > > > > I'm sure I'm going to get a few helpful posts suggesting the old > > > > > > siphon effect on the fuel bowl, but I've checked that. Even > before I > > > > > > crank the puppy, I take the air cleaner off and goose the throttle > > > > > > only to see the two nicest little streams of petro jet down the > throat > > > > > > of my carby. I can do that a number of times before I see any > sign of > > > > > > diminished fuel supply. My extended battle with this problem has > left > > > > > > me thinking that it's more of an issue of flooding than being > lean. > > > > > > The small rubber hose gripped hopefully, desperately, in my hand > most > > > > > > days after work backs me up on this. Plus the odor of gas is > quite > > > > > > strong during my cranking, cranking, cranking -- oh the dreadful > > > > > > cranking. I am constantly amazed at how good my battery is that > it > > > > > > lets me crank that 6-banger so many times. I'm sure my workmates > are > > > > > > equally impressed at how many days I can put myself through the > > > > > > torture of it all. > > > > > > > > > > > > A bit more history on it: it started with troubled morning > starts, > > > > > > but now is pretty much exclusive to warm-weather starts (sitting > in > > > > > > the sun at greater than 75 deg F). I wonder if maybe I fixed the > > > > > > original problem and have been creating a succession of problems > with > > > > > > each new attempt at ultimate correction. > > > > > > My current theory is that perhaps the fuel bowl float is a bit too > > > > > > high, allowing the gas in the bowl to slowly leak down the intake > > > > > > throat whilst it is warmed in the sun. There would be residual > fuel > > > > > > pressure in the line that would refill the bowl a few times as the > > > > > > float opened and closed the valve, I think. I am going to drop > the > > > > > > float an 1/8" or so, but wanted to get some time on the most > recent > > > > > > change (new plugs, again) before I changed something else. > > > > > > > > > > > > Please share you thoughts, or make an offer. > > > > > > > > > > > > Bob Versluys > > > > > > Florence, SC > > > > > > '88 Wrangler Sport Soft-top gray/red "Sadie" |
Re: '88 YJ 258 ci with carter Hard Warm Start
Approximately 10/7/03 12:21, Mike Romain uttered for posterity:
> Jut try tossing a 1/8 cup or a couple tablespoons of gas down the carb > and see what happens. Unless you are absolutely certain that there will be no backfiring, take the extra coupla seconds and put the air cleaner back on. So far I have only managed to remove all the hair on my arm and face ignoring this advice... Even if you are certain there will be no backfiring, I'd still suggest it. |
Re: '88 YJ 258 ci with carter Hard Warm Start
Approximately 10/7/03 12:21, Mike Romain uttered for posterity:
> Jut try tossing a 1/8 cup or a couple tablespoons of gas down the carb > and see what happens. Unless you are absolutely certain that there will be no backfiring, take the extra coupla seconds and put the air cleaner back on. So far I have only managed to remove all the hair on my arm and face ignoring this advice... Even if you are certain there will be no backfiring, I'd still suggest it. |
Re: '88 YJ 258 ci with carter Hard Warm Start
Approximately 10/7/03 12:21, Mike Romain uttered for posterity:
> Jut try tossing a 1/8 cup or a couple tablespoons of gas down the carb > and see what happens. Unless you are absolutely certain that there will be no backfiring, take the extra coupla seconds and put the air cleaner back on. So far I have only managed to remove all the hair on my arm and face ignoring this advice... Even if you are certain there will be no backfiring, I'd still suggest it. |
Re: '88 YJ 258 ci with carter Hard Warm Start
LOL!
Damn man, I go sit in the drivers seat to start mine! Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Lon Stowell wrote: > > Approximately 10/7/03 12:21, Mike Romain uttered for posterity: > > > Jut try tossing a 1/8 cup or a couple tablespoons of gas down the carb > > and see what happens. > > Unless you are absolutely certain that there will be no backfiring, > take the extra coupla seconds and put the air cleaner back on. So > far I have only managed to remove all the hair on my arm and face > ignoring this advice... Even if you are certain there will be > no backfiring, I'd still suggest it. |
Re: '88 YJ 258 ci with carter Hard Warm Start
LOL!
Damn man, I go sit in the drivers seat to start mine! Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Lon Stowell wrote: > > Approximately 10/7/03 12:21, Mike Romain uttered for posterity: > > > Jut try tossing a 1/8 cup or a couple tablespoons of gas down the carb > > and see what happens. > > Unless you are absolutely certain that there will be no backfiring, > take the extra coupla seconds and put the air cleaner back on. So > far I have only managed to remove all the hair on my arm and face > ignoring this advice... Even if you are certain there will be > no backfiring, I'd still suggest it. |
Re: '88 YJ 258 ci with carter Hard Warm Start
LOL!
Damn man, I go sit in the drivers seat to start mine! Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Lon Stowell wrote: > > Approximately 10/7/03 12:21, Mike Romain uttered for posterity: > > > Jut try tossing a 1/8 cup or a couple tablespoons of gas down the carb > > and see what happens. > > Unless you are absolutely certain that there will be no backfiring, > take the extra coupla seconds and put the air cleaner back on. So > far I have only managed to remove all the hair on my arm and face > ignoring this advice... Even if you are certain there will be > no backfiring, I'd still suggest it. |
Re: '88 YJ 258 ci with carter Hard Warm Start
Ignition module.
In message <a188e6f3.0310051753.11385c@posting.google.com>, "averyislandboy@yahoo.com" wrote: >I've been chasing this problem for many weeks now and have probably >replaced 90% the ignition-related components under the hood. The >problem manifests itself as a near-impossible start after the Jeep has >sat in my work parking lot all day. While I am anxious to leave at >the end of a long day, the old Jeep seems to want to stay. Sweet talk >and negotiation have also not carried the day with the old bucket of >bolts -- so here I am. > >I've cleaned, rebuilt and adjusted the carb to factory spec 3-4 times >now. And I'm not just talking float height. I check all those little >freaky measurements they suggest and make sure all linkages are bent >to spec. The rotor and distr cap are new. The fuel pump is new. The >fuel filter is new. The fuel lines are insulated and held away from >the block and exhaust manifold. The plugs are new. The plug wires >are new. The ignition coil resistances are to factory spec (though it >may be the next thing I replace). The compression is good and the >timing is per the spec on my hood underside (and check with the hose >plugged and the vacuum switch wire assembly unplugged). > >Sometimes it goes for days before reappearing (usually right before I >have an important meeting across campus I have to be at in 5 minutes). > Yes, it's not just at the end of the day, sometimes at 10:30, >sometimes at noon. > >The choke was out of whack, despite having the correct color key. I >took it to 2 notches lean and it seems to be closed at the correct >times (when it's cold). Nonetheless, I find that I have more luck if >I jam a small piece of rubber hose to hold it all the way open before >I start it. Faithful readers, please realize that I now whip out the >chunk of hose like it's some sort of magical talisman that will summon >the spirit of the Jeep back to life. The spell doesn't always work, >however, and I get to gaze, confused and forlorn, across the >freshly-waxed hood and wonder where it all went so wrong. Is there a >special form of Jeep karma that I am failing at. I let it get muddy >sometimes, I even intentionally dash through an innocent mudpuddle, I >always drive it with the top down on nice days. Sometimes I even take >my shirt off too, to share the glory of an exceptional day. But the >good times are forgotten so quickly when I'm in my nice work clothes >bent under the hood while my co-workers strut over to their mercedes >and BMW's and SUV's. I pride myself on being a pretty good mechanic, >but this makes me feel like an idiot. > >I'm sure I'm going to get a few helpful posts suggesting the old >siphon effect on the fuel bowl, but I've checked that. Even before I >crank the puppy, I take the air cleaner off and goose the throttle >only to see the two nicest little streams of petro jet down the throat >of my carby. I can do that a number of times before I see any sign of >diminished fuel supply. My extended battle with this problem has left >me thinking that it's more of an issue of flooding than being lean. >The small rubber hose gripped hopefully, desperately, in my hand most >days after work backs me up on this. Plus the odor of gas is quite >strong during my cranking, cranking, cranking -- oh the dreadful >cranking. I am constantly amazed at how good my battery is that it >lets me crank that 6-banger so many times. I'm sure my workmates are >equally impressed at how many days I can put myself through the >torture of it all. > >A bit more history on it: it started with troubled morning starts, >but now is pretty much exclusive to warm-weather starts (sitting in >the sun at greater than 75 deg F). I wonder if maybe I fixed the >original problem and have been creating a succession of problems with >each new attempt at ultimate correction. >My current theory is that perhaps the fuel bowl float is a bit too >high, allowing the gas in the bowl to slowly leak down the intake >throat whilst it is warmed in the sun. There would be residual fuel >pressure in the line that would refill the bowl a few times as the >float opened and closed the valve, I think. I am going to drop the >float an 1/8" or so, but wanted to get some time on the most recent >change (new plugs, again) before I changed something else. > >Please share you thoughts, or make an offer. > >Bob Versluys >Florence, SC >'88 Wrangler Sport Soft-top gray/red "Sadie" |
Re: '88 YJ 258 ci with carter Hard Warm Start
Ignition module.
In message <a188e6f3.0310051753.11385c@posting.google.com>, "averyislandboy@yahoo.com" wrote: >I've been chasing this problem for many weeks now and have probably >replaced 90% the ignition-related components under the hood. The >problem manifests itself as a near-impossible start after the Jeep has >sat in my work parking lot all day. While I am anxious to leave at >the end of a long day, the old Jeep seems to want to stay. Sweet talk >and negotiation have also not carried the day with the old bucket of >bolts -- so here I am. > >I've cleaned, rebuilt and adjusted the carb to factory spec 3-4 times >now. And I'm not just talking float height. I check all those little >freaky measurements they suggest and make sure all linkages are bent >to spec. The rotor and distr cap are new. The fuel pump is new. The >fuel filter is new. The fuel lines are insulated and held away from >the block and exhaust manifold. The plugs are new. The plug wires >are new. The ignition coil resistances are to factory spec (though it >may be the next thing I replace). The compression is good and the >timing is per the spec on my hood underside (and check with the hose >plugged and the vacuum switch wire assembly unplugged). > >Sometimes it goes for days before reappearing (usually right before I >have an important meeting across campus I have to be at in 5 minutes). > Yes, it's not just at the end of the day, sometimes at 10:30, >sometimes at noon. > >The choke was out of whack, despite having the correct color key. I >took it to 2 notches lean and it seems to be closed at the correct >times (when it's cold). Nonetheless, I find that I have more luck if >I jam a small piece of rubber hose to hold it all the way open before >I start it. Faithful readers, please realize that I now whip out the >chunk of hose like it's some sort of magical talisman that will summon >the spirit of the Jeep back to life. The spell doesn't always work, >however, and I get to gaze, confused and forlorn, across the >freshly-waxed hood and wonder where it all went so wrong. Is there a >special form of Jeep karma that I am failing at. I let it get muddy >sometimes, I even intentionally dash through an innocent mudpuddle, I >always drive it with the top down on nice days. Sometimes I even take >my shirt off too, to share the glory of an exceptional day. But the >good times are forgotten so quickly when I'm in my nice work clothes >bent under the hood while my co-workers strut over to their mercedes >and BMW's and SUV's. I pride myself on being a pretty good mechanic, >but this makes me feel like an idiot. > >I'm sure I'm going to get a few helpful posts suggesting the old >siphon effect on the fuel bowl, but I've checked that. Even before I >crank the puppy, I take the air cleaner off and goose the throttle >only to see the two nicest little streams of petro jet down the throat >of my carby. I can do that a number of times before I see any sign of >diminished fuel supply. My extended battle with this problem has left >me thinking that it's more of an issue of flooding than being lean. >The small rubber hose gripped hopefully, desperately, in my hand most >days after work backs me up on this. Plus the odor of gas is quite >strong during my cranking, cranking, cranking -- oh the dreadful >cranking. I am constantly amazed at how good my battery is that it >lets me crank that 6-banger so many times. I'm sure my workmates are >equally impressed at how many days I can put myself through the >torture of it all. > >A bit more history on it: it started with troubled morning starts, >but now is pretty much exclusive to warm-weather starts (sitting in >the sun at greater than 75 deg F). I wonder if maybe I fixed the >original problem and have been creating a succession of problems with >each new attempt at ultimate correction. >My current theory is that perhaps the fuel bowl float is a bit too >high, allowing the gas in the bowl to slowly leak down the intake >throat whilst it is warmed in the sun. There would be residual fuel >pressure in the line that would refill the bowl a few times as the >float opened and closed the valve, I think. I am going to drop the >float an 1/8" or so, but wanted to get some time on the most recent >change (new plugs, again) before I changed something else. > >Please share you thoughts, or make an offer. > >Bob Versluys >Florence, SC >'88 Wrangler Sport Soft-top gray/red "Sadie" |
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