Fuel Gauges

[faselh]

Has anybody ever had to replace the fuel level sensors? My gauge in the panel is working. but both tank indications are wing (always showing empty). I could not find the part number (or manufacturer in the Ximango parts list.

Thanks,
Hermann

[Holliday Obrecht]

Hi Hermann,

I had a problem with my left fuel guage sender when I first took delivery of #130 back in 2004. The panel was marked "left fuel guage inop." Well, I had to get to the bottom of that!

I drained the left fuel tank dry and removed the sender. At the base was a small hole that was filled with a white precipitate. This caused the center wire electrode to make contact with the side of the aluminum sender tube, grounding it out and always causing the gauge to read "full". I cleaned this white crud out and resealed the sender and cork gasket with Permatex Hylomar HPF sealant, sealed the threads of the mounting bolts with blue Locktite, and screwed the whole assembly back in place with only "snug" torque on the bolts. The gauge has worked fine ever since.

But, this may not be your problem--as your gauge reads "empty". I have found this usually means a loose wire in the sender, poor ground, or dirty connections at the gauge where the wires connect in at the back. Also, check the white wire plug connectors behind the gauge for loose wires.

I hope this helps!
Holliday Obrecht
SN 130

[faselh]

Holliday,
thanks for your excellent suggestions. I will try all of them.
Hermann

[faselh]

I have to replace a fuel level sensor. Does anybody have a parts list which provides a part number? My parts list does not show it.
Thanks hermann