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dennisroth1

Aveo reset quantity drift compensation error

Hey, I'm having a heck of a time with my 2019 Chevrolet Aveo diesel. I'm getting rough engine running and the check engine light is on. I pulled the codes and it's showing an error about "reset quantity drift compensation". Has anyone dealt with this before? I'm at 95670 km. Could this be related to performance tuning or maybe a bad car sensor like airflow sensors?

Summary of the thread

A 2019 Chevrolet Aveo diesel was experiencing rough engine running and a check engine light, with an error code indicating "reset quantity drift compensation." This issue is likely related to a problem with the fuel injectors, specifically a defective injection valve or injector. The suggested solution was to have a qualified workshop perform precise diagnostics and repairs, which led to the identification and replacement of a faulty injector, resolving the problem.

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4 comment(s)

mariofeuer9

The symptoms you describe, coupled with the error code, strongly suggest a problem with one or more of your fuel injectors. The "reset quantity drift compensation" error indicates the engine control unit (ECU) is attempting to compensate for deviations in fuel delivery from the injectors. This can be triggered by a defective injection valve/injector. Have you tried any onboard diagnostics to isolate the problematic injector?

dennisroth1 (community.author)

Diagnostics, huh? I've checked the obvious stuff, but how would I pinpoint the specific injector causing the drift? Is there a way to do this without pulling everything apart?

mariofeuer9

Confirming the diagnosis will require precise testing, possibly involving injector flow rate measurements. While some DIY methods exist, given the complexity and potential for further issues, a qualified workshop is advisable. They possess the tools and expertise to accurately diagnose the problem and perform the necessary repairs. Continuing to drive with this issue may lead to further damage.

dennisroth1 (community.author)

Thanks! Took your advice and went to a workshop. Turns out an injector was indeed faulty. They replaced it, recalibrated everything, and now it's running smooth again! Cost me about 515€, but worth it to get it sorted. Really appreciate the help!

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CHEVROLET

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AVEO