matsmith749 said:Few possible maintenence causes (oil - plugs) - but most likely is a failed camshaft position sensor.
A thorough investigation & diagnostic could reveal vanos or timing chain issues, but won't know without looking at it.
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I hope it's just the camshaft position sensor.
matsmith749 said:Sadly an internet diagnosis will only get you so far with this one - the code is saying that the timing in one bank is more retarded than it should be.
Exactly why that is could be a bunch of things that need to be checked.
Internet searching which has kindly been done on your behalf has shown that a likely culprit is indeed that camshaft position sensor, but it could be other much worse things!
Good luck.
Ed.Straker said:That code also came up on pre 2015 N20 powered cars with timing chain stretch due to the defective earlier cam chain and guides
In which case a good idea to get it quickly looked at as a jumped timing chain is a possible result!
Loun614 said:Updates. Guess the timing chain was looser than I thought. Had it replace and now no more check engine light.