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Old 07-22-2020, 10:16 PM   #9
p1l0t
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Quote:
Originally Posted by Kipper View Post
Replaced the coilpack and don't believe i have seen the CEL light since, just the knock, haven't tried changing spark plugs as i believe that's quite a big job. Have also done 2 oil changes since having the problem. Not sure if it's just a placebo but the noise seemed to change when i swapped one of the oil control valves, so believe it could be a VVT issue, by ear it sounds like the knock is coming from the left side of the engine
Well if you replaced the coilpack than you had access to the spark plug... It's really not that big of a job and it's the most likely cause. When was the last time your spark plugs have been changed?

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