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Old 01-09-2008, 12:34 PM   #25
RandallNeighbour
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Join Date: Jul 2004
Location: Houston, Texas
Posts: 7,243
Just to add what I'm learning about this issue, which my car has as well (full = 5/8 reading), I read that there is a fuel tank vent valve can be bad or the fuse for it (E8??) has burned out.

I have also discovered that my tank wasn't totally full when the pump clicked off automatically. I had to dribble in the last gallon or two to get it to fill up and raise the needle to 7/8.

However, I still have a problem with an accurate reading. Just once since I replaced my sending unit and had it calibrated by my mechanic (requires a PST tool) has the car read 4/4 when it was full. Grrr!

One other issue is that when I am at 1/4, the low fuel light comes on brightly. Seems a little premature, even though one should not run to empty in our cars (remaining fuel keeps the fuel pump cool and from overheating).

I have yet to check my fuses, but I just might go home tonight and make a bee-line for the garage to check this out.

This problem has always frustrated me about owning my car!
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