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      11-24-2020, 11:56 AM   #1
Bilbofraggins
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Drives: 2013 X6M, 2019 X3 M40I
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Code 2E69/Not Present (Knock sensor position 2)

Not driven much lately, and didn't bother with life support (charger maintainer).

Ended up firstly with a low battery warning.

Sorted that, then floored it one day and encountered the "Engine Malfunction/Reduced Power warning".

Cleared the code, drove fine...then parked it again...not as long...same deal,,,battery warning and then the reduced power after a bit of acceleration

Ran the Foxwell, Code is 2E69/Not Present (Knock sensor position 2)...

Cant find anything on this using forum search function....and searching RealOEM could only come up with a ping sensor.

Any info appreciated....OEM Battery is a couple years old..
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      11-28-2020, 03:02 PM   #2
Bilbofraggins
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For those interested.... hunch that bad/stale gas may have been an issue...

At about a third of a tank, added 1/2 a bottle of fuel injector cleaner and half a bottle of octane boost....Drove 10km to Costco added rest of FI cleaner and filled... cleared code which also registered as P135B and drove about 25 miles... No issues.

Drove today hitting 200Km/hr - with sporadic spirited acceleration - All seems well...

So although all things pointed to possible knock sensor issues.. it looks like my issues were lack of use/climate....Happy Days
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