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Fixing Erratic Hyundai Fuel Level Gauge

Make: Hyundai | Model Example: 2007 Santa Fe | Avg. Mileage: 91975 | Job Number: 456228

Repair Issue:

Erratic Fuel Level Gauge, Fuel Guage Not Working


Fuel Level Sensors

Customer Concern:

P0464, P0463, P2068 for the fuel level sensor. There is an erratic fuel level gauge.


Random open circuit in one or both fuel level sensors. The sender with the fuel pump sweeps from 105 ohms empty to 4 ohms full. The sub sender sweeps 95 ohms empty to 4 ohms full. The senders are in series and any open circuit will set “High” codes. Recommend they be replaced as a set.

Tech Tip

Replace full set of senders instead of only replacing one.

Important Take-A-Way:

Save time and a chance of a return customer by replacing all senders when needing to replace one.

Most Popular Fix:

Replaced/Repositioned Both Fuel Level Sensors, Replaced Fuel Pump / Sending Unit Assembly

Other Common Car Problems:

View more common car problems from the most popular manufactures including Ford, Dodge, Chevrolet, Honda, Toyota, and more. Read more

Also applies to the following Makes and Models:

2007 Sante FE 3.3, 2008 Sante FE 3.3, 2009 Sante FE 3.3

Author: Todd Erickson

Todd started his automotive career in 1984. He has progressed from a technician at a Tune-up Specialty shop, to a Cadillac journeyman, to a Sr. Master Subaru technician. Along the way he has acquired his ASE Master, L1, Alternative Fuels and Medium/Heavy Truck Technician certifications. He is also an ASA AMI Accredited Automotive Manager, performs technical training and writes articles for automotive trade magazines. Todd is also the founding member of, a Subaru based enthusiast club with over 500 members.

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