98 cherokee xj 4.0L auto
shut off while driving --pushed back in garage at home
3/4 tank of gas shows "0"
turn key --strong crank --gas low light -lights and goes off
fuel guage does not move--no sound of fuel pump
does not start
tried switching relays under hood checked all under hood fuses
all other systems work a usual
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Have you tried pushing the lever like you are lowering the bucket while starting it? Sometimes the pumps on these can drag the engine back while starting, especially if cold. It's best to shut them down with the bucket in the air some. Let me know how it goes.
You don't say what engine is in it (2.7 or a 3.2) but you need to check to see if it is getting spark at the plugs-it may be the crank sensor, weak links in Chryslers of this era. pull a plug just to be certain it is getting gas, but I'd guess it is a crank sensor.
Sounds like fuel delivery problem. I have seen problems such has crud in the gas tank accumulates in the line, blocking it, or some foreign object such as a foil gum wrapper in the gas tank causing the pump inlet to become blocked. After the engine stops running, the blockage eases allowing gas to come through for a bit, enough to start but when the demand for gas goes back up, here comes the blockage again. Could also be a failing fuel pump. Start with easy stuff like a fuel filter change, and I think there are pressure testers where you can check your flow coming into the carb, injectors or whatever you have on that engine. It is nearly 20 years old, many things can and will fail with age and use.
what kind of work did you do to it? Did you check all the fuses? listen into the gas tank with the cap off, have somone try to turn it over briefly and listen for the fuel pump to come on for a few seconds then shut off if the truck does not start up. Is the security light on on the dash? it may need tto be relearned. Try to start the vehicle for a second or two, then release key to the run position leave key on for fifteen minutes or longer. you may see the security light go off. then turn the key off for 3 seconds and try to restart it if it doesnt start then repeat that process two more times
My 98 Cherokee was the exact same. I used to have to turn the key back and forth 3 times and then it would start. Otherwise it would just crank and crank for a while and then start. Pretty embarrassing! Took it to the dealer and they said that my fuel pump was losing pressure. I changed the fuel pump and I don't have to prime the pump anymore.
It sounds like you have some **** in the gas tank that is being drawn to the pickup blocking it.
Have seen this and because it seems so random, it can drive ya nuts.
You might carry a coffee can with you and pull the line from the fuel rail when this happens stick it in the can and just have someone turn the key on for a few seconds.
Beware though, it comes out with force.
Also possible is a failed fuel pressure regulator.
Those aren't expensive and . . . well, not very good either.
when a cherokee have trouble starting i always go to the crank sensor first it on top of trasmission you crank the motor on the fly wheel you have accumulation of rust and before the crank sensor notice the engine turning it take a long time me i remove the crank sen sor visualy check if it crank i change it and i used some abrasiv sand paper or something like that i ask somebody to crank the engine i put the sand paper in the hole of crank sensor when the engine turn sand paper clean the flyweel be carefull for our finger after install the sensor and try it out good luck pierre