The cleanness and soundness of the spark plugs are very important for keeping the engine efficient and polluting emissions down.
The appearance of the spark plug, if examined by an expert eyes, is a good way of pinpointing a problem even if it has nothing to do with the ignition system.
Therefore, if the engine has problems, it is important to have the spark plugs checked at a Fiat Dealership.

The spark plugs must be changed at the times specified in the service schedule. Only use the type of plugs indicated. If the heat ratio is less than required or the life specified is not guaranteed, problems can arise.
See also:
Left-hand direction indicator
The warning light on the dial turns on when the direction indicator control lever
is moved downwards or, together with the right indicator, when the hazard warning
light button is pressed. ...
17. Oil Pressure Warning Light
This light indicates low engine oil pressure. The light should turn on momentarily
when the engine is started. If the light turns on while driving, stop the vehicle
and shut off the engine as so ...
Customer Assistance For The Hearing Or SpeechImpaired (TDD/TTY)
To assist customers who have hearing difficulties, the manufacturer has installed
special TDD (Telecommunication Devices for the Deaf) equipment at its customer center.
Any hearing or speech impai ...


