1997 GMC Jimmy Logo
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Anonymous Posted on Feb 11, 2011

1997 GMC Jimmy 4.3. It runs great. I will drive it for 30-45 min and then it will die on me. All dash lights will come on just like if you turn the key on and not start the engine. It will restart and then do it again in a few minutes. It will eventually die and will take longer to start. All the interior accessories work and all dash lights and gages work. You will then hear the relays and fuel pump come on and you can start it again. Then it will die again in a few minutes, let it set with key on for a while and the relays will click and you will hear the pump come on and it will start. At the same time you cannot link your scan tool until the relays and pump come on. No DTC codes are present. Its driving me nuts.

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H smith

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  • Contributor 18 Answers
  • Posted on Feb 11, 2011
H smith
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Joined: Jan 26, 2011
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When the engine dies do the accessories such as radio, lights, heater all die along with the engine; or do they keep running as they were prior to the stall?
If they all quit together (as if the key was shut off) I would check the electrical part of the ignition switch or the battery cables and connections (check both ends of cables and little ground wire near battery that connects to car body). The ignition switches are a well known culprit in the s10's.

If the radio and lights keep running after the stall, I would look at the crank position sensor, ignition coils etc.

Good Luck!

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