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325d LCI Code Help
Hi, I've posted a few threads on this subject but the problem has reappeared... so a month ago I had the EGR cleaned out by the garage. It wasn't removed and cleaned, just blasted through with their carbon cleaner(?) I am not too sure all I know is it wasn't removed.
Anyway a month later and the problem has resurfaced. Occasional stutter and hesitation etc. Just been over to have the codes read and it is showing:
40E9 - Exhause gas return valve, position control
40D4 - Exhause gas return valve, position control
4501 - Exhaust feedback regulation
4C9E - Exhaust gas recirculation adjuster, plausibility
Can anyone shed some light on these codes? I'm thinking the EGR may need removing and cleaning properly? Or does it require a replacement? Or maybe just a remap and EGR delete...
Thanks anyone for the help.
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