P2066 P2066 code definition Fuel Level Sensor “B” Performance What the P2066 code means P2066 is an OBD-II generic code for the engine control module (ECM) detecting the fuel level sensor “B” performance. The sensor output voltage is not accurate...
Hi there. The fuel level sensor in the fuel tank has either failed or has an open in the wiring and the computer has caught this and stored the codes P0461 (http://www.engine-codes.com/p0461.html) and P2066 (https://www.yourmechanic.com/article/p2066-obd-ii-trouble-code-fuel-level-sensor-b-performance-by-jay-safford). You will need to remove...