General Information

Engine Control

P2066 Fuel Level Sensor 'B' Performance - General Information

Component Location





General Description

The Fuel Level Sensor (FLS) measures the fuel level in fuel tank and its information is used to supply the ECM with information regarding the monitoring condition of the EVAP canister purge system for leak detection. If the fuel level sensor is monitored for high or low stuck or difference between voltage of fuel level sensor and voltage deviation of fuel level sensor is exceeds limited value while driving, this is interpreted by the ECM as a fault.

DTC Description

Checking fuel level change under detecting condition, if the fuel level difference between current and previous is lower than 10% while odometer difference between present and previous is higher than 170 km, ECM sets P2066. MIL (Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle.

DTC Detecting Condition





DTC Detecting Condition





Diagnostic Circuit Diagram