sarahsturm1
Fiat Freemont rough engine running error
Summary of the thread
A 2011 Fiat Freemont diesel with 176,069 km is experiencing rough engine running, a check engine light, and an error related to 'reset quantity drift compensation.' The suspected cause is a defective injector valve. A similar issue in another vehicle was resolved by addressing the fuel injection system, suggesting that having the injectors professionally checked could be a viable solution. The problem was confirmed to be a defective injector, and the repair was completed.
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4 comment(s)
sarahsturm1 (community.author)
Thanks for the insight. I haven't specifically checked the airflow sensors yet. Was your Insignia showing similar 'reset quantity drift compensation' error, or was it something different? What exactly was the issue in the end?
marie_williams9
The error code was different on my Insignia, but the rough running and check engine light were the same. Ultimately, it pointed to a defective injector. Given your symptoms and the error code, I'd suggest having the injectors professionally checked. Could save you time and money in the long run.
sarahsturm1 (community.author)
Appreciate the advice. Took it to a workshop, and you were spot on. Defective injector. Repair cost 515€. Thanks for the help!
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FIAT
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FREEMONT
marie_williams9
I had similar symptoms with my 2014 Opel Insignia, although the error code was different. It turned out to be an issue with the fuel injection system as well. Have you checked the airflow sensors? Sometimes a faulty sensor can trigger similar errors.