Kris smith

This morning I walked out of my hotel to leave and go home jeep would crank and crank fire then die kept doing this last night my fuel light was on but this morning it wasn't I added 5 gal fuel and it would fire and run like hell and die finally got it in the road

dwright98xj

What ever happened with your no start a week back?

Kris smith

It cleared up and has ran fine since. This is different type of not running it starts and dies and runs poor some times but not all the times

dwright98xj

Magically fixed itself?

If you had a no spark/no start and now random sputtering, both would lean me toward the crank sensor. The more and more I catch up on the forum, this seems rather common and fits the symptoms.

EM98XJ

I had a similar problem last night as well. Went to leave around 9 PM last night, when I went to crank the jeep it just kept turning over like it wanted to start, but nothing. If I gave it some gas it would finally start, but as soon as I let off the gas it would die again. Did this process about 4 times before it finally cranked up on its own. Drove it home, and it drove absolutely fine. This morning I went out at 5:30 to make sure it would start for work and it fired right up. Mine is a 98 sport, what year is yours?

salad

Looks like an '88 from your profile?

MAP tube still hooked up? Ever checked the TPS or replaced the CPS?

Kris smith

It's a 88 map tube came off once I fixed that tps is new and adjusted for a different issue I have a new CPs that will go in with my ax15 swap it's at home I'm 2 hours away. Men that's the same issue I have

jakbob

Stupid question... but did you put the map tube back on? Is it cracked?

Kris smith

Map tube should be attached and it is in good shape

Kris smith

Took lunch from our class and it runs fine. It's a temperature thing

Kris smith

Got the crank sensor in along with an ax15 and syed np231 all in fired right up but the front shaft don't for the rear it's too short at full extension by 1-2" so to the junk yard in the morning