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My friend has a 77 240D. His fuel gauge
correctly shows full when the tank is full. BUT, when the tank is 3/4 full, it drops down to empty. Last weekend, we pulled the sender out and cleaned it as new. I even pushed the float up and down to see if it would register on the gauge;it did perfectly. I then put it in a bucket of water to see if the float would work;it worked perfectly again. Let it dry off, did my first test again (moving float by hand), did perfectly...again. Guess what, it is still showing full when full, but empty when the tank is 3/4 full!! I am assuming it is not gauge because if works by moving float by hand and in the "water" test. HELP!!!! ------------------ |
Did you plug in the sender when out of the tank and move it by hand to see what would happen? It probably is the sender.
------------------ Benzmac: ASE CERTIFIED MASTER AUTO TECHNICIAN LEAD TECHNICIAN FOR 14 BAY FACILITY MERCEDES SPECIALIST 8 YRS PARTNER IN MERCEDESSHOP.COM |
YES. TWICE!! The gauge worked fine when
moving the float up and down the cylinder by hand...as well as in the "water". |
The float must not be acting properly while inside of the tank. I would say to replace it.
------------------ Benzmac: ASE CERTIFIED MASTER AUTO TECHNICIAN LEAD TECHNICIAN FOR 14 BAY FACILITY MERCEDES SPECIALIST 8 YRS PARTNER IN MERCEDESSHOP.COM |
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