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Hello all! I have an 02 Nissan Altima SE with the 3.5L V-6 and 95,000 miles. Car has been well maintained with synthetic 5W-30 every 5K.
I get a ERROR CODE: P0021 Intake Camshaft – Position Timing Over Advanced (Bank 2) [[left bank]] about once or twice a year, about every 6,000 miles. The car never changes in output or idle and I go to an auto parts store and clear the code. The code seems random and does not consistently occur during the same car activity. One time I was idling in a drive through, one time I was on the freeway, one time I was driving on city streets. This is the only code that has ever come up on the car.
I’m coming up on the spark plug change where I have to remove the intake manifold. I was thinking that while the car is apart I could try and chase down this code – maybe a loose connection to a sensor?
Any suggestions are appreciated!
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