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mis-reading fuel gauge

Started by pigge7, September 09, 2011, 08:12:18 AM

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pigge7

September 09, 2011, 08:12:18 AM
I have a FJ1100 84 and the fuel gauge is showing like 50% of the tank is ful when the tank is 100% ful.
I know there is alote to read about a problems whit the  fuel gauge but not this problem.. (or i have not found it anyway) please help if you can!

Br
Jonas

andyb

#1
September 09, 2011, 08:24:49 AM
Directly shorting the connector leading to the sensor should show it as 100% full.  If not, odds are the guage ain't right.  If it shows totally full under a short and totally empty when open, then check with a meter the resistance of the sender itself while running it through range of motion.  Also possibly the actuation float arm is bent or the float ain't right, etc.

pigge7

#2
September 09, 2011, 08:28:35 AM
Quote from: andyb on September 09, 2011, 08:24:49 AM
Directly shorting the connector leading to the sensor should show it as 100% full.  If not, odds are the guage ain't right.  If it shows totally full under a short and totally empty when open, then check with a meter the resistance of the sender itself while running it through range of motion.  Also possibly the actuation float arm is bent or the float ain't right, etc.


Thanks I will try this weekend and post how it went!
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