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post #1 of 6 Old 05-09-2013, 10:07 AM Thread Starter
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Fuel Gauge

So I got into an accident with my late '99 7.3 back in November. The truck has been sitting all winter while I aquired parts and got it back running again...In the accident the truck sustained only some front end damage: bumper, drivers fender, radiator support, t-case - mostly stuff onthe underside of the font of the truck.
I noticed when I started it up for the first time back in probably late march or April that the fuel gauge went right to full even though the tank was no where close to full. What would be the most likely causes for this to happen? I have looked at the wires running from the tank up to the front of the truck looking for any that may be broken. I didnt notice any but I'm not that good at electrical stuff so I may have missed something. Is there anything else I should be looking for specifically?
Any help would be much appreciated! Thanks!

'99 F350 xlt eclb srw auto 7.3 4x4: S&B, 4" Flowmaster, A-pillar gauges, TS 6position w/ PHP, HPx, Wicked Wheel, 33" Destination M/Ts*2011 MATPA Street Diesel champion!
'95 F250 xlt rc srw auto 7.3 4x4:260cc inj, K&N, A-pillar gauges, fass, T-500, BD modded turbo, Boost fooler, TS 6position, modded IDM, traction bars, 35" Fierce Attitudes, 8" mitre cut, D60
'02 F250 lariat ecsb srw 6-speed 7.3 4x4
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post #2 of 6 Old 05-09-2013, 10:11 AM
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fuel sender stuck?
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post #3 of 6 Old 05-09-2013, 10:26 AM Thread Starter
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Originally Posted by 2000-7.3L View Post
fuel sender stuck?
Stuck as in??
Sorry you must idiot proof things for me because I'm not very mechanically inclined haha!

'99 F350 xlt eclb srw auto 7.3 4x4: S&B, 4" Flowmaster, A-pillar gauges, TS 6position w/ PHP, HPx, Wicked Wheel, 33" Destination M/Ts*2011 MATPA Street Diesel champion!
'95 F250 xlt rc srw auto 7.3 4x4:260cc inj, K&N, A-pillar gauges, fass, T-500, BD modded turbo, Boost fooler, TS 6position, modded IDM, traction bars, 35" Fierce Attitudes, 8" mitre cut, D60
'02 F250 lariat ecsb srw 6-speed 7.3 4x4
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post #4 of 6 Old 05-09-2013, 10:28 AM
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bad sending unit or the cluster took a crap! On these fords i replaced quite a few of each! They are known for that!
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post #5 of 6 Old 05-09-2013, 11:33 AM
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Quote:
Originally Posted by 2000-7.3L View Post
bad sending unit or the cluster took a crap! On these fords i replaced quite a few of each! They are known for that!
those or a short to ground in the power/signal wire

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post #6 of 6 Old 05-10-2013, 05:49 AM
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Take a look at teh top ofthe fuel tank. It will be hard to see becasue there's not too much room between the bed and the top ofthe tank, but take a look. Check your ele. connector. Dissconnect it and re-connect. Check the simpleist things first. Could be that the accident caused something to happen there. I'm gussing though that the float on the sender is stuck. Could be due to the accident, or just that it was going to go and the sitting and lack of use caused it to get stuck. To remove the sender assemble you'll need to run her as low as possible (or drain the tank) and then drop itto access the sender assy.

David Murphy
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