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Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3379
Experience:  Jeep Certified Master Tech
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I have 2002 jeep grand cher 4liter in line 6 engine shuts

Customer Question

I have 2002 jeep grand cher 4liter in line 6 engine shuts off while driving than it will restart after cranking 30 to 40 sec. Car has 160000 mi on it
Submitted: 1 year ago.
Category: Jeep
Expert:  Brad replied 1 year ago.

Good afternoon and welcome to JustAnswer!!

My name is ***** ***** I have worked for a Chrysler-Dodge-Jeep dealership for 18 years and I will do my best to help.

When it stalls are you loosing spark or fuel psi?

Customer: replied 1 year ago.
it acts like the power to the computer is cut off and than come back on when restarting. for the last 5 yrs the car had check engine light on because of low vac leek. after this cut off problem started the engine light went off. like power was cut off to computer.
Expert:  Brad replied 1 year ago.

In order for me to help you fix it, I will need to know if your loosing spark or fuel psi... Are you going to be doing the repairs or are you just looking at what could be wrong?

Customer: replied 1 year ago.
Brad what could cut temp power to the computer.
Brad it seem like spark and fuel only during stall. like the computer lost power
do you or do you know the anser
Expert:  Brad replied 1 year ago.

So your saying you have tested the PCM and it's loosing 12v when it stalls? Have you tested for spark and fuel psi when it stalls?

Expert:  Brad replied 1 year ago.

Are you here?

Expert:  Brad replied 1 year ago.