What are the causes of the lean mixture fault in the BMW X1 three-cylinder engine?
1 Answers
The causes of the lean mixture fault in the BMW X1 three-cylinder engine are: 1. Abnormal operation or insufficient pressure of the fuel pump; 2. Blockage in the fuel system; 3. Clogged fuel injectors; 4. Faulty air flow sensor; 5. Leakage in the intake manifold; 6. Failure of the oxygen sensor's closed-loop control. Taking the 2021 BMW X1 facelift sDrive20Li Fashion model as an example: its dimensions are 4565mm in length, 1821mm in width, and 1620mm in height, with a wheelbase of 2780mm. It is equipped with a 1.5T turbocharged engine, delivering a maximum power of 103kw and a maximum torque of 220nm, paired with a 7-speed dual-clutch transmission.