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Old 02-14-2011, 08:11 AM
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Location: kissimmee, fl
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Fuel gauge still stuck after changing fuel sender unit in 96 e300

I just changed the fuel level sender unit in my 96 e300 but the fuel gauge is still stuck at full. The needle goes down when you turn the ignition key off and whenever i pull the connector out of the unit itself. However it goes back to full when you turn the ignition on or when I replace the sender unit connector back on. Any ideas how to check this problem?

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Old 02-14-2011, 10:56 AM
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Quote:
Originally Posted by charlie a. View Post
I just changed the fuel level sender unit in my 96 e300 but the fuel gauge is still stuck at full. The needle goes down when you turn the ignition key off and whenever i pull the connector out of the unit itself. However it goes back to full when you turn the ignition on or when I replace the sender unit connector back on. Any ideas how to check this problem?
My car exhibits the same symptoms and was diagnosed as a bad fuel gauge in the cluster. From what I read, you cannot repair just that gauge, the entire cluster must be removed and sent out for repair. I know that I can go about 450 miles on a fill up, so I zero out the trip odometer and fill up with it reads about 350-400. I also have a ScanGauge installed that computes your fuel usage if you want a backup method of keeping track.
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Old 02-14-2011, 04:23 PM
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That's what I've been doing also-zeroing out the trip meter after each fill up and refilling at about 430 miles. I've called a company that does the instrument cluster repair- but they have no guarantee that they may be able to fix the stuck fuel gauge. Thanks.

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