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Old 10-24-2010, 02:46 PM
 
Location: Florida
418 posts, read 1,023,124 times
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Help please. 05 Mustang V6 all stock. The fuel gauge pegs past full. If I pull # 67 fuse ( instrument ) and replace it (same fuse ) the gauge returns to normal. This happens randomly.
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Old 10-24-2010, 03:04 PM
 
3,511 posts, read 4,871,814 times
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Quote:
Originally Posted by John Buettner View Post
Help please. 05 Mustang V6 all stock. The fuel gauge pegs past full. If I pull # 67 fuse ( instrument ) and replace it (same fuse ) the gauge returns to normal. This happens randomly.
IMO, maybe a sending unit? Have you ran the tank extremely low many times? How about overfilling or topping it off where gas runs out one too many times? I would start there. BTW, it's inside the tank.
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Old 10-24-2010, 03:16 PM
 
Location: Florida
418 posts, read 1,023,124 times
Reputation: 317
Thanks, I always keep the tank above half and have never over filled the tank. hope it's not the sending unit. Could it be a relay sticking ?
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Old 10-24-2010, 03:23 PM
 
3,511 posts, read 4,871,814 times
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The problem is usually in the switch. Most but not all fuel gauge reading haywire problems are caused by the sending unit (manly the contact points) in the switch. Here is what it looks like. MOELLER Sendinguni at West Marine
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Old 10-24-2010, 05:25 PM
 
Location: Florida
418 posts, read 1,023,124 times
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Thanks, Ag. You have been very helpful----- access is in the trunk under spare tire.
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Old 10-24-2010, 05:37 PM
 
3,511 posts, read 4,871,814 times
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Quote:
Originally Posted by John Buettner View Post
Thanks, Ag. You have been very helpful----- access is in the trunk under spare tire.
It's not too hard. You can do it man!!!! LOL
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