OBD-II code · Powertrain (generic, extended)
P2066 Fuel Level Sensor B Performance
Secondary fuel-level sensor B reads within range but plausibility check fails — value sticks, jumps, or does not match consumption.
Is it safe to drive with P2066?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyFloat arm sticks
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Level Sensor B
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.