I think on the early 2.5 engine there was only a sensor on one bank for reading cam deviations. Have a look at the following thread for a similar discussion:
https://986forum.com/forums/performance-technical-chat/60141-cam-shaft-deviation-986-a.html
Hope you get it sorted.
__________________
'01 Boxster S (purchased new) triple black, litronics, cruise, heated seats,18's.
|