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P2066 Powertrain

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.

Affected components

  • Fuel level sensor b

Common causes

  • High likelihood: Float arm sticks

Related codes

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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