Question about 1993 Jeep Grand Cherokee

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Fuel gauge does not work replaced fuel pump and sending unit with new one and the gauge does not work still

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  • ddcoop123 Sep 30, 2008

    Fuel Gauge doesn't work

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  • Jeep Master
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Check this info for a better diagnostic and calibration: 93ZJ Service Manual / Secc 8E Instrument Cluster and Gauges

I hope that you can solve your problem.

Good luck!!!

Posted on Oct 03, 2008

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Posted on Jan 02, 2017

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Fuel sending unit test and replace


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Jan 13, 2016 | Cars & Trucks

2 Answers

2000 Dakota quad cab fuel gauge wont work, jumps to full when started, fuel pump has been replaced. What next?


Check for a frayed wire touching metal and grounding out. The gauge works on resistance and it registering full indicates a short to ground. Either that or your gauge itself is bad.

Sep 01, 2014 | 2000 Dodge Dakota Quad Cab

1 Answer

Fuel gauge Stuck


The most common way to find out is to test both components.
The sending unit in most vehicles grounds the gauge on the dash.
You would unplug the sending unit - pump harness at the tank and ground the sending unit wire. If the gauge climbs up to full the sending unit is at fault.
You could also measure resistance in the circuit in the tank when the tank is close to empty and after filling it up. The resistance should be different each time.

Mar 11, 2013 | Cars & Trucks

1 Answer

Put in new fuel pump and sending unit. but my gas gauge doesnt always work. sometimes is does and sometimes it doesnt


if it worked for a short period of time after doing the pump/sending unit the check the connections going to the pump/sending unit they would have been moved around doing the pump

Aug 11, 2012 | Cars & Trucks

1 Answer

2001 jimmy fuel sending unit


if you take the time to drop the fuel tank you might as well replace the fuel pump module. this will come with a new fuel pump and level sending unit. DO NOT USE AN AIRTEX brand. they will leave you with more problems! Get an a/c delco or delphi pump. make sure to replace the fuel filter at the same time.

Feb 09, 2012 | 2001 GMC Jimmy

1 Answer

My fuel gauge doesnt work on my 2002 grand prix. how do i fix it?


Usually this problem originates from the sending unit, not the gauge. It's unfortunate because the sending unit is located inside the fuel tank. It's even more unfortunate because the sending unit is integrated into the fuel pump assembly, which costs ~$200. Sometimes the sending unit contacts can be cleaned / sanded, but most often, because the labor is about the same cost as a new fuel pump assembly, people opt to just replace it.

Good luck.

Mar 20, 2011 | Pontiac Grand Prix Cars & Trucks

1 Answer

Fuel gauge dont work i put a new fuel pump in it and it still do'nt work 1997 blazer


Was the wire harness replaced from the fuel sending unit to the frame, it's a good practice to replace the wire harness when the sending unit is replaced. The wires are know to break and cause sending unit issues from weak fuel pressure to faulty gas gauges.
The other possibility would be a faulty connection to the stepper motor in the gauge it self or just a faulty stepper motor that would need to be replaced. You can do a search on Ebay for stepper motors for your fuel gauge which runs for around $15.00 which is much better then $400.00 for a new cluster if it is and bad fuel gauge stepper motor.
Thank you for using fixya and good luck.

Apr 18, 2010 | 1997 Chevrolet Blazer

1 Answer

New fuel pump and sending unit. now gas gauge


if the gas gauge worked before i would just double check the connections to the fuel pump and make sure they are tight.

Apr 03, 2010 | 1990 Ford Tempo

1 Answer

Fuel gauge quit working. stuck on half a tank. is there a fuse for just the gauge? do fuel tanks even have floats in them anymore?vor do i just need a new gauge?


the fuel level sending unit has been incorporated into the fuel pump assembly.
the fuel pump is most likely your problem, these pumps dont like fuel additives so be careful.
most common problem with these fuel gauges is the sending unit, the sender contacts will errode over time fuel additives seem to speed the process.

replace the fuel pump assembly

hope this helps

Jun 14, 2009 | 2002 Ford F150 Regular Cab

1 Answer

Fuel gauge doesn't work on a 1989 dodge omni


Hi

Sounds like he forgot to reconnect the wires ?

Check this first, if they are OK, bridge them, and the fuel gage should read full.
If this is so, you can get a new tank unit.

Expect he has left the wires off !

Good Luck !

a FixYa rating would be appreciated Please !

John.

Nov 10, 2008 | 1989 Dodge Omni

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