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post #1 of (permalink) Old 10-02-2003, 10:40 AM
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gas gauge issues 89F-150

I have an 89 F-150 (302, 5-Speed manual/ overdrive, 4X4)
My gas gauge reads just above empty when it's just above empty. Any more gas than that it reads above full.

Normal thinking say's the sender is at fault, but I have dual tanks and both of them react the EXACT same way. Can the gauge itself cause this misreading?

I have a friend with an 89 Bronco and he has the same problem.

I already did a search on this issue and came up with different problems. Sounds like a lot of bad gas gauge senders out there! I have owned SEVERAL Fords from 65 to 89 and never had an issue til my 89. Is this a common problem for this year???
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post #2 of (permalink) Old 10-02-2003, 11:44 AM
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Re: gas gauge issues 89F-150

My gas guage is pretty bad too. I try to log the mileage and Keep it full as much as I can. I know it's not a good solution. But it's what I do.
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post #3 of (permalink) Old 10-02-2003, 06:57 PM
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Re: gas gauge issues 89F-150


That's a new one to me. I've heard my gas gauge's condition being mentioned here before, but not the one you've got. Mine reads the top half of the tank, so when it say empty you still have half a tank left. I never told this to my younger Brother or I'd be running under half (off the gauge) all the time.

Once every Winter it gets cold enough the gauge goes back to reading the whole tank for a few days/hours, but then it goes back to reading just the top half. What can you do other than set your trip meter like Norm suggested. Like Norm I know what mileage I get and when I let the tank go under 1/2 (not often) I depend on the trip meter reading not getting close to double what was on it before it went under half.



My biggest tank worry is the red wire to the sender is so brittle I keep having to solder to it and get closer and closer to the unit.
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post #4 of (permalink) Old 10-02-2003, 07:10 PM
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Re: gas gauge issues 89F-150

cehck for a break or bad connection in the sending wire. the guage goes off of resisantce to the reoast(gas tank sensor) so if you have more than avergae reistance it will cuase funky readings...
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