Fuel Tank Sending Units
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What is a fuel tank sending unit?
A fuel tank sending unit is an electrical device in your fuel tank that measures the level of fuel in the tank and sends a signal to the fuel gauge in your vehicle.
What are the symptoms of a faulty fuel tank sending unit?
Symptoms of a faulty fuel tank sending unit include:
- Erratic or fluctuating fuel gauge readings
- Difficulty starting your vehicle
- Intermittent stalling
- Engine misfires
Can a faulty fuel tank sending unit cause damage?
Yes, a faulty fuel tank sending unit can cause damage to your vehicle. If your fuel tank sending unit is not functioning properly, it can cause fuel to be delivered to your engine inconsistently, which can lead to engine misfires and other problems.
How can I tell if my fuel tank sending unit is faulty?
To determine if your fuel tank sending unit is faulty, you can check the fuel gauge readings on your vehicle's dashboard. If the readings are erratic or fluctuating, then your fuel tank sending unit may be faulty.
How do I replace a fuel tank sending unit?
To replace a fuel tank sending unit, you will need to:
- Disconnect the negative battery cable
- Drain the fuel tank
- Remove the fuel pump assembly
- Disconnect the fuel lines and wiring
- Install the new fuel tank sending unit
- Reattach the fuel lines and wiring
- Reinstall the fuel pump assembly
- Refill the fuel tank
- Reconnect the negative battery cable
How often should I inspect my fuel tank sending unit?
It is recommended to inspect your fuel tank sending unit every 6 to 12 months.