The Lemon IndexA fuel gauge that reads wrong or sticks usually has a failing sending unit in the tank.
Get it checked. Track your miles and refuel early so you don’t run out.
A worn fuel level sending unit. Then: a fault in the instrument cluster; a bad ground or connector.
Owners describe this in 6,442 complaints to the U.S. government, most often on the Nissan Xterra.
Cars owners report it on most
Complaints describing this symptom, by model, all years. Raw counts, not a failure rate: popular models get more complaints.
Model years that report it most
| Model year | Complaints | Share |
|---|---|---|
| 2006 Nissan Xterra | 162 | 21% |
| 2005 GMC Envoy | 149 | 24% |
| 2005 Nissan Xterra | 143 | 17% |
| 2006 GMC Envoy | 135 | 23% |
| 2008 Hyundai Santa Fe | 133 | 25% |
| 2005 Nissan Pathfinder | 111 | 11% |
| 2006 Nissan Frontier | 98 | 16% |
| 2007 Nissan Xterra | 92 | 17% |
| 2006 Nissan Pathfinder | 89 | 11% |
| 2007 Nissan Frontier | 88 | 17% |
| 2005 Nissan Frontier | 74 | 14% |
| 2007 Hyundai Santa Fe | 64 | 9% |
Each row is that model year's record in NHTSA complaints, not the history of any one car. Share = complaints describing this symptom out of every complaint we hold for that model year (shown when the year has 50+ complaints).
Where it makes up the biggest share
2008 Hyundai Santa Fe · 25% 2005 GMC Envoy · 24% 2006 GMC Envoy · 23% 2006 Nissan Xterra · 21% 2005 Nissan Xterra · 17% 2007 Nissan Frontier · 17% 2007 Nissan Xterra · 17% 2007 Nissan Quest · 16%
Model years with 150+ complaints in our data and 10+ describing this symptom, ranked by share. A high share means owners of that year who complained often mentioned it.
The details
Common causes of fuel gauge not working
- A worn fuel level sending unit
- A fault in the instrument cluster
- A bad ground or connector
- A fuel pump module problem
- A failing body control module
General causes, not a diagnosis. A shop should confirm the cause with tests before replacing parts.
Is it safe to drive if the fuel gauge is not working?
Get it checked. Track your miles and refuel early so you don’t run out.
Get help right away if you have run out of fuel while the gauge showed fuel.
Of the 6,442 complaints describing it, 0.6% mention a crash.
What the complaints show
The parts owners filed these complaints under: fuel system, gasoline (43%), electrical system (24%), fuel/propulsion system (23%), fuel system, other (19%). A complaint can list more than one.
Median odometer reading when owners reported it: 65,000 miles.
Most reports by make: Chevrolet (1,802), Nissan (1,280), Gmc (552), Ford (391), Hyundai (295).
Engine codes that come up with it
P0463 P0462 P1450 P0456 P0464 P0461
Trouble codes owners named in these complaints more often than in other symptom complaints. Look up any code →
Related symptoms
Speedometer not working AC blowing warm air Car heater not working Water leaking inside car Mold or musty smell in car Sunroof shattered
Quick answers
What causes fuel gauge not working?
A fuel gauge that reads wrong or sticks usually has a failing sending unit in the tank. Common causes: a worn fuel level sending unit; a fault in the instrument cluster; a bad ground or connector; a fuel pump module problem; a failing body control module.
Is it safe to drive if the fuel gauge is not working?
Get it checked. Track your miles and refuel early so you don’t run out.
Which cars have this problem most?
In complaints to NHTSA, owners describe it most on the Nissan Xterra, GMC Envoy and Nissan Pathfinder. These are raw counts, so popular models rank higher; complaints are owner reports, not proof of a defect.
Counts: NHTSA owner complaints whose text describes this symptom (we matched owners' own wording, then read samples to check the matches). A complaint is an owner's report, not a diagnosis or proof of a defect. Causes and advice are general information in our own words, not repair advice for your car. Every symptom · Engine code lookup