The check engine light is on, and what to check? and common problems

You have a lot of problems and the problem of the check engine light continuing to light up? This problem is not easy to solve, but there are a few ways to deal with it:
Your car has 15 to 20 sensors that monitor the engine, transmission and emissions control systems. When a sensor detects something abnormal, the computer or PCM records the error and turns on the check engine light.
Your mechanic will check the computer first and then follow the diagnostic steps to find the problematic part. There is a specific diagnostic procedure for each code.
Is it safe to drive with the check engine light on?
This depends on the type of problem, some problems are small and do not affect the performance of the engine, but there are other problems that cause a lot of damage to the car and in the worst cases, which may cause a loss of power.
for example:
When the lamp lights up due to lack of oil, driving for a long time will eventually lead to engine damage, so it is recommended to check the car as soon as the check engine light is lit in order to be safe.
What are the common problems that can cause the check engine light to light up?
There are hundreds of potential problems that can cause a check engine light to light up, but there are several that are common to many vehicles. According to extensive research, they include: engine air leakage, inlet air flow sensor problems, ignition coil damage, ventilation system damage, oxygen sensor damage, exhaust recirculation system damage, and catalytic converter damage.