Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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When you say ran low on oil, how low? Also how many miles do you have on your car and how often have you done oil changes?
Low oil and no oil are two different things. Yes I have seem cam sprockets seize up from lack of oil, and I have seen them sludge up as well if oil changes are not done. The only way to really verify this is to monitor there operation when turning the engine over. If the sprocket is locked and the numbers don't move, then it will need to be replaced. Those sprockets are around 500 each and around 10 hours in labor to replace.
I would ask to have them swap the Cam sensors to see if that makes a difference first. If no change, then you could be looking at sprockets.
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