Question about 1991 Jeep Wrangler

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1991 jeep wrangler, gas tank empty, put 5 gallons of gas the guage is showing full thank, any one knbows what the problem maybe and how to fix it?.

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Sounds like your fuil pump float is stuck

Posted on Nov 26, 2008

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My 1991 wrangler the fuel gauge is pass full line .is the gauge bad or the fuel level in the tank?


Hello
The porblem under discussion here is not related with my expertise. Please get helped from any other. OK.

Dec 13, 2011 | 1991 Jeep Wrangler

1 Answer

WHEN FUEL GUAGE REACHES HALF WAY THE NEEDLE WILL DROP TO EMPTY. TRY TO PUT GAS IN AND MAYBE GET 5 GAL IN AND THE NOZZLE CLICKS OFF. IT WILL SHOW 3/4 TANK THEN. I KNOW IT SHOULD TAKE MORE WITH THE MILES I...


from what you are describing you have two(2) different problems
1- the wacky gauge- its acting like a grounding issue- wires are crushed/smashed on tank connector
2- not filling - venting issue- vent line to top of tank pinched
3 solution- run tank down to 1/4 or less and DROP tank down to inspect wires and hoses- sounds like at some point in time the tank took a hit and wedged itself upwards against the underside,pinched the vent line so there is too much pressure in tank and also crushing the wires/plug causing the erratic readings(worse with less weight as the tank moves more)
if unsure of how to do this- you can get a manual such as a HAYES book at auto parts story- good luck

Jun 24, 2011 | 2004 Chrysler Pacifica

1 Answer

My fuel gauge isnt working, it sayed over Full untill i hit half a tank then showed on F then 1/2 a tank was actually Empty. what could be wrong?


The fuel sending unit has a rhetrostat its a variable resitor ..As fuel is added the fuel lever mover along the rhetrostat and gives resitor signal to the fuel guage, the fuel gauge interpets this as level indicators to show on the gas tank.

Apr 26, 2011 | 1989 Jeep Wrangler

1 Answer

Gas gauge always shows above full with key on . key off goes to empty.


there is a short in the wire going from the gauge to the tank. ck the wiring under the truck from the tank going forward, and ck if anything looks like its rubbing on the wiring harness.

Sep 23, 2009 | 1991 Jeep Wrangler

1 Answer

No fuel but yet there is


replace sending unit in tank

Jul 05, 2009 | 1996 Chevrolet Cavalier

1 Answer

1999 jeep wrangler guages went crazy


Put a volt meter on the battery itself and take a reading when it is doing that. If charge rate is over 14v the alternator may be working but the output is not being cut down to "useful voltage" You may have a regulator problem.

Jun 23, 2009 | 1999 Jeep Wrangler

2 Answers

Why can i only fit 13 gallons in my 19 gallon gas tank on my 2002 jeep wrangler sport 4.0


You can usually only get about 18 gallons in a 19 gallon tank and you likely have 4 gallons left in it when the gauge reads empty

May 04, 2009 | 2002 Jeep Wrangler

1 Answer

1998 jeep wrangler se gas gage


Most gauges are set up this way to give you a bit of "margin" between "e" and stuck on the road.Sometimes this is set a bit too high but adjusting it is not worth the $. Additionally, there is generally about a gallon of fuel remaining in tank that the pump cannot reach. This protects you against most heavy debris (rust etc) and water that acumulates there (even in the most well maintained vehicles) which would otherwise easily enter the fuel system. As long as you are not running out at 1/4 tank or anything, you are OK.

Feb 13, 2009 | 1996 Jeep Grand Cherokee

1 Answer

1990 wrangler 4 cyl - gas guage stays on full


you have a bad gauge( check dealer ) for part. easy fix, they will even let you talk to mech. to get some helpful tips

Dec 24, 2008 | 1990 Jeep Wrangler

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