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4,0 stalls on the highway

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Old 10-21-2015, 01:22 PM
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Default 4,0 stalls on the highway

Hey guys. I will driving in the highway about 1700 to 2500 rpms i come off the gas and she stalls out. When I try to restart, it cranks for a lot longer than it does when first started. It happened once in a while, now once a trip. Someone mentioned the crank positioning sensor, could that be the issue?
Any advice would help. Thanks guys
Old 10-21-2015, 03:59 PM
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Yep.
Just ran into the same issue with my daughters 00 XJ.

Pulled the crank sensor and it was covered with oil/dirt.
Installed a new sensor and no more random stalling.

I suggest getting a new sensor from your favorite parts house. Junk yard sensors are fine for trail repairs.
Old 10-21-2015, 05:30 PM
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Originally Posted by medic8377
Hey guys. I will driving in the highway about 1700 to 2500 rpms i come off the gas and she stalls out. When I try to restart, it cranks for a lot longer than it does when first started. It happened once in a while, now once a trip. Someone mentioned the crank positioning sensor, could that be the issue?
Any advice would help. Thanks guys
Thanks for your post.

We’re here to help, but you must understand that all Jeeps are not the same.
In order for us to give you more accurate advice and help, we must know the following, as applicable, along with detailed information as to the symptoms/problems etc:

Year
Model
Engine
Transmission
Transfer case
Old 10-21-2015, 08:31 PM
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Originally Posted by cruiser54
Thanks for your post.

We’re here to help, but you must understand that all Jeeps are not the same.
In order for us to give you more accurate advice and help, we must know the following, as applicable, along with detailed information as to the symptoms/problems etc:

Year
Model
Engine
Transmission
Transfer case
Ok Sorry about that. That was kinda dumb on my part.
1998
Cherokee Sport
4.0
AW4 Tranny
Command Track 4WD System unk actual T Case Mi]odel. Stock unit
Mods
3in Skyjacker lift front and rear springs/shocks only
upgraded accel ignition coil and cap rotor wires and plugs
optma red top battery
Thats it
I hope this helps.
Old 10-21-2015, 08:33 PM
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Originally Posted by SeriousOffroad
Yep.
Just ran into the same issue with my daughters 00 XJ.

Pulled the crank sensor and it was covered with oil/dirt.
Installed a new sensor and no more random stalling.

I suggest getting a new sensor from your favorite parts house. Junk yard sensors are fine for trail repairs.
Thanks for the reply. You are not the first to tell me about this. I am going to look into buying a new sensor
Old 10-21-2015, 09:34 PM
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Originally Posted by medic8377
upgraded accel ignition coil and cap rotor wires and plugs
More often than not these parts are junk right out of the box, if there is an issue that is probably it. Just buy the good NAPA stuff.
Old 10-21-2015, 09:51 PM
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Originally Posted by Turbo X_J
More often than not these parts are junk right out of the box, if there is an issue that is probably it. Just buy the good NAPA stuff.
What good napa stuff? Napa pro is made in china and napa echlin is made in mexico.
Old 10-21-2015, 10:16 PM
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Originally Posted by JeepsAreForSpeed
What good napa stuff? Napa pro is made in china and napa echlin is made in mexico.
I always go to NAPA and specify I want the good stuff, if they have it they know what I'm talking about and that's what they sell to me.
Disclaimer:
Not my fault peeps gave away their jobs in exchange for low prices.
Old 10-22-2015, 07:57 AM
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Originally Posted by Turbo X_J
I always go to NAPA and specify I want the good stuff, if they have it they know what I'm talking about and that's what they sell to me.

And where is this "good stuff" made, and how do you know?
Old 10-22-2015, 09:53 AM
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OEM is usually the best choice and one of the best ways for people to help you is to fill out the user CP, quick and easy then we can all see the answers.
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