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  • Cporter77
  • Registered User

    • 2

    • March 29, 2019, 12:00:46 AM
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98 Jeep Wrangler TJ 4.0
« on: March 29, 2019, 12:37:40 AM »
Have a question my daughters 98 Jeep Wrangler TJ 4.0 temperature gauge goes up and down and wont take fuel, only does when the temp gauge isnt functioning right and have replaced water pump, thermostat, temp sending unit, and computer can someone help us? Also unplugged temp gauge and drives fine.


  • smccollamjr
  • Member

    • 36

    • January 29, 2019, 05:33:48 PM
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Re: 98 Jeep Wrangler TJ 4.0
« Reply #1 on: March 29, 2019, 09:15:58 AM »
If the temp gauge fluctuation is intermittent and it only runs rough when temp gauge is flaky Id leave the temp gauge unplugged a few days to make sure unplugging the gauge is really fixing the problem. If it does Id looking into the temp gauge wiring.


  • Cporter77
  • Registered User

    • 2

    • March 29, 2019, 12:00:46 AM
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Re: 98 Jeep Wrangler TJ 4.0
« Reply #2 on: April 01, 2019, 07:11:40 PM »
So now we have replaced temp sending unit, thermostat, water pump, computer, and instrument cluster and temp gauge is still fluctuating and not want to take gas can anyone help us?