Review Of 2005 Range Rover Hse Check Engine Light Ideas. For reference, the positive cap is red and will have a positive (+) symbol. Your oxygen sensor is malfunctioning or worn out.

We have all (or will) experienced the lean codes on one or two banks at one point or another. 7.4k views 6 months ago united kingdom. Web ok the fault is referring to the amount that the computer can adjust fueling to meet optimum running.basically the lambda sensor reads oxygen content in the exhaust system and the engine control system adjusts fuel into engine from this reading.the car is saying i cannot adjust any further.this is unlikely to be a lamdba sensor fault as you ha.