P0461 code meaning
Fuel Level Sensor A Circuit Range/Performance
Powertrain system Generic code P04xx codes Check engine light
What P0461 means
The fuel level sensor is a float on a resistor track in the tank unit. It is no emission part, but other monitors depend on it – the EVAP leak tests, for example, need at least 15 % fuel – so CARB requires it to be monitored and the usual exemption from the warning lamp does not apply. P0461 is the plausibility check of sensor A within its valid signal range. GM compares the level change with calculated fuel use: less than 3 l change after 22 l (2018) or 38.2 l (2016) consumed sets the code, MIL after two trips. Ford reads it differently, as a noisy signal with jumps above 40 %. On the Saab 9-4X the gauge then drops to empty and the low-fuel lamp comes on. A GM bulletin names overfilling and frequent topping up as a false trigger.
P0461 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modeNot expected
- Repair difficultyMedium
- Typical labor1 to 3 hours
- Clears after repairAfter a drive cycle
Symptoms of P0461
- Fuel gauge wrong, stuck or jumping
- Range display and low-fuel warning wrong
- Check engine light (depending on the maker)
Common causes of P0461
- Most likelyResistor track or wiper worn or dirty (sulphur deposits), arm sticking
- PossibleFloat deformed or soaked, or tank deformed
- PossibleOverfilling or frequent topping up (no defect)
- Less likelyContact resistance at connectors (occasional jumps)
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Fuel level sensor aFuel tank unitSensor wiringEngine control module
What each part of P0461 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 4 | Area: auxiliary emission controls (catalytic converter, EGR, EVAP). |
| 61 | The exact fault in that area. |
What to do next
- Note P0461 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P0461
What does P0461 mean?
P0461 means "Fuel Level Sensor A Circuit Range/Performance". The fuel level sensor is a float on a resistor track in the tank unit. It is a generic code, so it means the same on every make.
Is it safe to drive with P0461?
Usually yes, for a short time, if the check engine light is steady and the car drives normally. If the light flashes or the car runs badly, stop and have it checked.
Will P0461 fail an emissions test?
Yes, it can. P0461 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P0461 to fix?
Difficulty: medium. A typical repair takes 1 to 3 hours of work. This is a job for a workshop.
Will P0461 clear itself after the repair?
After the repair the car has to complete a drive cycle (a mix of city and highway driving) before the test runs again. Until then the readiness monitor shows "not ready", which can fail an inspection.