Could there be a relation between flashing check engine light and water damage. My car has just been fixed for damage within day of collecting it from the garage come on?

There could be connections between a flashing check engine light and recent water damage to your vehicle. When water enters any car's electrical system, It can cause various issues.

* Here's how potential water damage could be linked to a flashing check engine light:

* _Sensor malfunctions: Water damage may affect the sensors in your vehicle that monitor engine performance and emissions. If the sensors are damaged, they may send faulty signals, causing the check engine light to flash.

* _Electrical system problems: Water can corrode electrical components, leading to short circuits and other electrical issues. These problems can interfere with the proper functioning of the engine and trigger the check engine light.

* _Engine performance issues: Water damage can also impact engine performance directly. For instance, if water enters the cylinders or the air filter, it can prevent the engine from functioning correctly, leading to check engine light illumination.

If your check engine light starts flashing after water damage, it's best to take your vehicle back to the garage for inspection. They will be able to pinpoint the exact issue and make necessary repairs to ensure your vehicle's safety and performance.