What does a fuel sending unit do?
Considering this, what are the symptoms of a bad fuel sending unit?
Usually a bad or failing fuel gauge sender will produce a few symptoms that can alert the driver of a potential issue.
- Fuel gauge behaves erratically. One of the first symptoms of a problem with the fuel gauge sender is a fuel gauge that behaves erratically.
- Fuel gauge stuck on empty.
- Fuel gauge stuck on full.
Also Know, is a sending unit the same as a fuel pump? A fuel sending unit doesn't "send fuel" as its name implies; it sends an electrical signal from the fuel level sensor to the fuel gauge. Only cars that use electronic fuel gauges or fuel injection computers utilize a fuel sending unit.
In this regard, how does a fuel sending unit work?
The fuel-sending unit is a potentiometer that is adjusted by a float attached to a rod exactly like the float in a toilet bowl. When the fuel in the tank drops in level, the arm with the attached float correspondingly drops, which changes the amount of resistance in the potentiometer.
How much does it cost to replace a fuel sending unit?
The average cost for a fuel level sending unit replacement is between $742 and $1,061. Labor costs are estimated between $160 and $203 while parts are priced between $582 and $858.