What should Fiat's engine do if it shakes in the wind of 1.3 million kilometers next weekend?

Regarding the engine jitter problem you described, cleaning up the carbon deposit is one thing. Also check the throttle, fuel injector and other components that affect engine jitter. As for spark plugs and high-voltage lines, they should also be inspected or replaced according to their working conditions. Only by finding the fault point that causes the abnormal vibration of the engine can the problem be solved through maintenance. Regarding the price, we must first determine the fault point before making the maintenance price. You are welcome to go to the store for professional pre-inspection at your convenience for vehicle maintenance. I wish your car a speedy recovery.

Thank you for your technical consultation. I hope my answer is helpful to you.

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