gretalight6
Peugeot 407 injector fault
Summary of the thread
A 2007 Peugeot 407 diesel is experiencing rough engine performance and a check engine light, with diagnostics indicating a potential injector fault. The issue may be related to 'reset quantity drift compensation,' suggesting a software reset might resolve it. However, a faulty injector was confirmed, and replacing it, along with a system reset, resolved the problem.
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4 comment(s)
gretalight6 (community.author)
Thanks, that's helpful. Can you explain the 'system reset via onboard diagnostics' procedure you used? I know basic OBD-II scanning, but I'm not sure about the 'quantity drift compensation' reset. What steps or menu options should I look for?
robinkrueger6
The onboard diagnostics didn't have a 'quantity drift compensation' reset. I couldn't do the reset myself. A workshop with specialized diagnostic equipment did a full system reset. I'd suggest a workshop experienced with Peugeots.
gretalight6 (community.author)
Thanks, I brought it to a workshop. They confirmed a faulty injector. After replacing it and doing a system reset, it's fixed. Total cost: 515€.
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PEUGEOT
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407
robinkrueger6
I had a similar issue with my 2012 Citroen C5 diesel. Your symptoms sound familiar. Did you try a system reset via onboard diagnostics before replacing parts? The ECU might not be reading the injector data correctly. A reset might help, even if temporarily.