Died on highway
CF Veteran




Joined: Nov 2010
Posts: 5,841
Likes: 117
From: In the middle of Minnesota!
Year: 1999
Model: Cherokee
Engine: 4.0
Could be a lot of things to be honest with you, and the crank sensor is high on the suspect list.
But to narrow it down, the first thing you need to do is to check for spark.
If you HAVE spark, then the problem is most likely fuel related. If it has a strong, blue, snapping spark (not yellow/orange/white which indicates a weak coil), then try a shot of starting fluid into the intake. If it starts and runs for a moment with that strategy, you have confirmed the fuel delivery problem.
But to narrow it down, the first thing you need to do is to check for spark.
If you HAVE spark, then the problem is most likely fuel related. If it has a strong, blue, snapping spark (not yellow/orange/white which indicates a weak coil), then try a shot of starting fluid into the intake. If it starts and runs for a moment with that strategy, you have confirmed the fuel delivery problem.
Thread Starter
Seasoned Member
Joined: Mar 2011
Posts: 450
Likes: 0
From: Houston, tx
Year: 1999 sport
Engine: 4.0 6I
Its the first time its done it, everything stopped working except lights and radio ect. I pulled over and started it, it cranked right up. I was going about 60mph,when it happened. I was on,the way to work when it happened
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