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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 05-21-2006, 02:43 AM   #1
TheDrivah415
 
Join Date: Apr 2006
Posts: 12
Default gas gauge/needle not working

My gas needle doesnt work, the needle is always below "E" and so I never know how much gas I have left. I have never seen the gauge work in the couple of months i have had the car and so I have no idea what is wrong with it. All I know is that for a while it would give a reading while the car was off (and I don't even know if that reading was real, but the needle moved), Anyways, now the needle is stuck under "E" and it never moves. Can anyone please tell me what I got to get/do to fix the gas gauge.. Thank you in advance.
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Old 05-21-2006, 03:33 AM   #2
lookinforastang
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Default RE: gas gauge/needle not working

mine always reads 1/4 full when off even if there is a full tank or less than 1/4 in the tank.

as for the gauge. mine was messed up when i first got my car. guy said not to fill it up cause the gauge will read messed up.

well i didnt fill it up but i put $20 in (like 7 gallons) and it read full. i go hmm ok maybe the guy was right. a few days passed and i noticed the gauge was reading correctly.

the sending unit is infamous for breaking. mines been on its way out ever since i got the car. best thing to do is just measure how much gas in it and use the trip odometer.

if u dont know how much gas in it either just run it till it dies or break the lazy chain and drop the tank, replace the unit
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Old 05-21-2006, 05:43 PM   #3
91 5.0lx aod
 
Join Date: May 2006
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Default RE: gas gauge/needle not working

my gas gauge would only go up to just below half even after filling it. i thought the problem was in my tank. i also had a problem with my speedo. it would spin wildly so i disconnected it. i just bought a new instrument cluster off of ebay from ampperformance in az for $56 and now my fuel gauge works perfect and my speedo works perfect. my problem was in the dash
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Old 05-21-2006, 06:53 PM   #4
88stangaruu
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Default RE: gas gauge/needle not working

mine did the same, it turned out to be the connector on the back of the cluster was loose.
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Old 05-21-2006, 06:53 PM
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2005, 91, empty, filling, fix, gas, gauge, gauges, moves, mustang, needle, stopped, stuck, working, wrong

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