1992 GMC C2500 Truck just stops.

Tiny
GORR@CALGARY
  • MEMBER
  • 1992 GMC C2500
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 340,000 MILES
Hi, Let me start by saying I'm not a mechanical expert in regards to vehicles but I understand the basics and can google the details if I need to.

I have the use of this pickup truck which has worked great until recently. I took it into a shop to have some new tires put on and the oil changed. While changing the oil, they also performed a stress test on the battery and told me it should be replaced. I told them I would look into that later. On the way home, the engine just stopped. No sputter, cough or anything, just died. The headlights remained on as well as everything else. I looked for the obvious and found nothing. I waited a little bit, letting it cool off a little, and tried to restart it. It started, took me another 100 yards and stopped again. I had it towed home and started going after the things that I figured would be obvious. As the shop had said the battery should be replaced, I did that, though the starter would turn strong when I tried to start it. I also replaced the gas filter just in case it was plugged. After this, I tried starting it. No problem starting but after about 5 minutes it would stop again. I figure it has to be something electrical as it starts without a problem but then dies when it warms up. When it dies, there is no cough or slow down of the motor, it stops as if I just turned the key back. I figure it might be a sensor or something, possibly damaged by the battery test. Anyone have any ideas? If so I would really appreciate it. Thanks
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Sunday, December 7th, 2008 AT 5:56 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi:
Many things could cause this. One of the most common things is the ignition module (in distributor). However, before you start replacing parts without knowing the problem for sure, I recommend having the computer scanned for trouble codes. Most parts stores will do it for free. If you want to try something before that, see if it's getting spark when it doesn't start.

Let me know what you find.

Joe
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Monday, December 15th, 2008 AT 6:21 PM

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