Question about 1999 Jeep Grand Cherokee
Fuel gauge does not go down to empty. Dropped the tank and replaced the fuel pump module w/ sending unit. That didn't work, so I replaced the instrument cluster, but that also hasn't worked.
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Posted on Jan 02, 2017
There could be two problems here:
1. That buoy floating tank is not working properly
2. That the electrical system that fails to submit the dashboard.
Review this information:
Page 2 - Fuel Gauges description
Page 4 - Voltimeter/Tachometer/Fuel Gauge/Low Fuel Inoperative
Page 10 - Specifications
About Fuel Tank components
Fuel Tank and Gauge & Sensor Units Sending (Page 93 and next)
Good luck... and remember rated this help.
Posted on Aug 14, 2009
Your mechanic may be right in saying the tank may not have baffles, but if the gauge goes down and stays down this is a sign that the float arm may be getting stuck on something, this could be the side of the tank or if there are baffles and he didnt see them down in the tank the arm may getting hung up on the baffle. It is normal for a fuel gauge to go up and down when the tank is half full, but only if there arent any baffles.
Posted on May 18, 2010
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