Why is the engine fault light on in your Fiat?

The engine fault light is a dashboard warning light that is part of your Fiat SIENA 178/172 car alert system . It illuminates to signal a potential issue with the engine.

But what exactly is an engine fault?

It can range from minor issues that don't prevent you from driving to more serious malfunctions that can affect engine performance or, in the worst case, cause irreversible damage.

What should you do if a warning light comes on in your Fiat SIENA 178/172

If you encounter an engine fault or other issues (airbag, abs, esp, etc.), our advice would be to act cautiously and find out the root of the problem causing the light to illuminate. You can diagnose the fault with a diagnostic tool compatible with your Fiat to learn more about this issue.

Other compatible models