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Posted on May 12, 2009
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I have a 1990 Jeeep Grand Wagoneer that has a fuel an engine temp

I have a 1990 Jeeep Grand Wagoneer that has a fuel gauge and engine temp problem. The fuel gauge will go up when the jeep starts but I have driven it awhile and it hasn't dropped from the full mark. My emgine temp stays under 100'F on the gauge and wont go over a hundred even tho its hotter than one hundred. NEED HELP!!!!!!!!!!!

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  • Anonymous May 11, 2010

    Could be a bad dash ground, but I'm leaning towards that you have two separate issues. Check to see if there is a thermostat installed and working...if so, change the sending unit. Fuel gauge could be a number of things, likely the sending unit (part of pump assembly) may be stuck or damaged.

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Mike Deemer-White

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  • Posted on May 12, 2009
Mike Deemer-White
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Sending unit for the fuel gauge is not grounding correctly or is bad. Temp sensor needs to be replaced.

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