Shuts off while driving

Tiny
PAININTHE10
  • MEMBER
  • 1995 GMC SIERRA
V8 four wheel drive automatic 89,090 miles.

My truck is a extended cab with a 350 engine. Just recently it has started shutting off while driving for no apparent reason. I replaced the module for the distributor thinking it may be electrical in nature. No success. I then felt it may be the fuel pump, so I had it replaced with the inline filter as well. Same persistent trouble. When just after initially leaving my house the truck shut off again. When the truck shuts off all gauges go to the left but there are no codes retained in the computer. I am lost! Any help would be greatly appreciated before I purchase a $300.00 ignition. I tried a different map sensor and the truck seemed to work better. It did not shut off when cold. When it had warmed up though it shut off and this morning it seemed like it was going to shut down but only for a moment and then sprung to life and continued on. Help with any suggestions please!
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Wednesday, February 25th, 2009 AT 1:34 PM

1 Reply

Tiny
PAININTHE10
  • MEMBER
It was a bad ground to the fuel pump.
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Saturday, February 28th, 2009 AT 3:34 PM

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