Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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Did you replace the Cam Sensors with ones from the dealer or auto parts store?
When it comes to after market Cam Sensors, it is very common that they do not work right. Most times they will cause intake timing codes which could make you think there is a issue with the timing chains.
So the first thing I would suggest is to replace the Cam Sensors with ones from the dealer. I see this on a weekly bases and since it's something I see very often, it has be come a habit to inspect the Cam Sensors now for any running issue to see if they are after market or not
Napa sensors are considered after market. So you would need to get the sensors from the dealer to start for your issue. Then clear the codes and that may resolve your whole issue.