What Causes Abnormal Car Exhaust Controller?

[DiKarter]

Code malfunction. Detailed introduction to the abnormal exhaust controller light being on is as follows: Code malfunction: A fault code is reported, but the operation is normal. It may be that an operation exceeded the control range of the computer, and the computer fed back a fault code, which can be eliminated first. Intake pressure sensor malfunction: According to computer detection information and further inspection, a certain fault is found that does not affect normal driving or has minimal impact, indicating an intake pressure sensor malfunction, which needs to be discovered and resolved in time. Oxygen sensor malfunction: If driving is severely affected and the normal operation of the engine is compromised, it is an oxygen sensor problem and requires immediate repair.