Technical 1.3 Diesel Hesitant/delayed acceleration and rough idle

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Technical 1.3 Diesel Hesitant/delayed acceleration and rough idle

MonkeyCarrots

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Jul 10, 2024
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Morning All,

I got a Fiat 500L diesel in automatic about 2 months ago and its now developing an issue.

Idle seems rough and feels like the kids are jumping about in the back seat. You can actually see the engine move more than normal when it gets rough.
It has power. when you floor it it will go, but there seems to be hesitation/delay to the foot pedal response.

It has now come up with check engine light and stop start has stopped working with warning lights.

Can anyone narrow down what this could be before i take it to the garage or back to the dealer?

Thanks.

Mike
 
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