2009 E350 fuel gauge problem
Anyone else experienced this problem?
But, no, it didn't go from 100 to zero all of a sudden. The light came on and the tank was way less than 1/4, so I wasn't going any 100 miles more as it was. I sometimes fill up only when the light comes on. Too lazy to stop.
It COULD be a software or version coding issue (wrong tank capacity) with the I/C. I would recommend having the dealer look at it with SDS to see if the I/C is indeed correct.
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Testing found fault code 9134 for sensor 1, fuel level jammed.
They replaced the entire fuel tank--the work order states that the fuel tank is one unit, no separate parts available. I got a quick look at their copy of the work order, and saw that the list price of the fuel tank is about $1400, plus $400 labor for installation, another $100 or so for drain-refill and prepare the old tank for disposal, plus a rental car (the loaner they had planned to give me was stolen shortly before I arrived!), so this is a $2,000 repair to correct a faulty sensor. Glad this is under warranty...
However, mine never behaved like you described in your original post, so I'm assuming things have been fixed with the (expensive) repair. Unless you just did a needless repair on MB's nickel

I don't think gauges are that precise to be running that close to empty; i.e., was it really 1/8 of a tank or more like very close to really being empty? And the read-out is based on a computer generated cumulative mpg/driving habit at that time.
And esp on a hill when whatever fuel is left is sloshing around from side to side. Remember, you have a 993.... the oil level gauge only works precisely when the car's on level ground.

I just look for a gas station when the light goes on.......
I could live with this gauge behavior, I suppose, but I'd really rather have the low fuel warning light stay on. I know it does on my 993--I ran it dry once.
I'm confident the actual fuel level was about 1/8 of a tank when the gauge went blank, but the blank gauge could have been because of ascending the hill.
When I picked it up, the fuel gauge showed only two bars, the low fuel warning light was on, and the range showed 30-odd miles. I drove a few miles to the gas station, and the range kept dropping, while the warning light stayed on. Each time I cycled the key at the gas station before filling, the gauge and lights performed as expected, and the "Reserve Fuel" legend displayed. I'm confident it's fixed now.
This is what my car was doing, so I think you have the same problem. I think the low fuel warning light is supposed to stay on. Next time you are near a dealer, you may want them to read the stored fault codes.
Local Indy shop couldn't figure it out.
I scanned it with DAS and got "Fuel tank sensor tight installation recognition: The fuel tank signal is not plausible."
and "Code 9135 Sensor 2 for fuel level is jammed."
Which side is Sensor 2, and do I just loosen the ring slightly? Any advice would be appreciated.
Thanks
Lee
2004 E320
Lee

Lee


