juergenwolf67
XC40 diesel drift compensation error
Summary of the thread
A 2019 Volvo XC40 diesel is experiencing 'Reset quantity drift compensation' errors, leading to rough engine performance and a check engine light. The suspected cause is a faulty injector valve. The suggested solution is to have a comprehensive diagnostic evaluation at a qualified automotive workshop, which confirmed the issue as a defective injector.
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4 comment(s)
juergenwolf67 (community.author)
Compensation adjustment parameters, you say? Can you elaborate on which parameters precisely? I've glanced at the airflow readings, but maybe I missed something specific.
isabellstern8
In my particular case, the drift compensation values were significantly skewed, indicating a malfunction within the injection system. Given the error code you presented and the associated symptoms, it would be prudent to seek a comprehensive diagnostic evaluation at a qualified automotive workshop. Attempting self-repairs without the requisite expertise could potentially exacerbate the issue and engender further complications.
juergenwolf67 (community.author)
Thanks for the insight! Took it to the shop as you suggested. Turns out it was indeed a defective injector. Repair cost me 515€. Appreciate the confirmation; saved me a lot of headache!
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VOLVO
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XC40
isabellstern8
I encountered a somewhat comparable predicament with my 2018 BMW 320d. The symptoms you delineate bear a striking resemblance to those I observed, albeit in a disparate automotive marque. Did you perform any onboard diagnostics, specifically examining the airflow sensors and any potential anomalies in the compensation adjustment parameters?