liampeters70
Peugeot 4007 rough running and injector compensation error
Summary of the thread
A Peugeot 4007 with 190,000 miles is experiencing rough engine running and a check engine light, with an error code indicating 'reset quantity drift compensation.' The issue is suspected to be a faulty injector. Cleaning the MAF sensor was suggested but ultimately, a garage confirmed a defective injector, which was replaced, resolving the problem.
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4 comment(s)
liampeters70 (community.author)
Interesting about the MAF sensor! No, haven't tried cleaning it yet. It's mostly rough at idle and low revs, gets a bit better as I accelerate. So, this compensation adjustment thing... is that a job for a regular mechanic, or specialist territory?
jannikhofmann6
Yeah, that sounds injector-ish to me. The MAF was a long shot. Regarding the adjustment, you might get away with a forced reset with the right diagnostic tool, but honestly, with those symptoms, a garage with injector testing gear is your best bet. I ended up chasing my tail for weeks before biting the bullet!
liampeters70 (community.author)
Cheers, I feared as much. Took it to the local garage, they confirmed a defective injector. 515€ lighter now but the 4007 is running like a champ again!
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PEUGEOT
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4007
jannikhofmann6
Sounds familiar! Had similar grief with my old Saab 9-3. Compensation adjustment errors are a pain. Is it constantly rough, or just at certain revs? Did you try cleaning the MAF sensor? That fixed it once for me!