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+--- Thread: w211 Lambda change (/showthread.php?tid=75360)
w211 Lambda change - ikrom - 18-02-2023
Hi there
I've changed my ori Bosch LSU to new one, it is NGK.
Both has 6 connecting pins, 5-wires. But colours are not even close...
I have cutted both, and reconnected as by this picture....attached.
Now sometimes im getting check on, and stored dtc - o2 shorted to groud.
This dtc always stored and deleting, but after some starts its is showing up again.
Maybe I connect somthing wrong ?
BTW : My car was about a week in garage and battery slighly got low, and also this work was done with battery disconnected. After I connect and these days driving, my cooling fan ALWAYS ON for half power. Always. As I get on KL15 - It is running. Maybe something dtcs removes I need? codings maybe somewhere lost ?
PS : changed K-KLA function of warm countries (deactivated faning motor) & putted fan min to 25% (no vatiants lower, only 25/40 ). But it didn't solved