Code result
P2066
Fuel Level Sensor B Performance
Moderate severity
What it means
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?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Float arm sticks
highOne of the most commonly reported causes for this code — check this first.
Related help
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