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2002 Nissan Pathfinder Problems
The Check Engine Light may illuminate because the sensor that monitors the engine's intake valve timing stops working (Intake Valve Timing Control Position Sensor). Replacement of the failed sensor will commonly correct this problem.
A problem with the mass air flow sensor can result in poor engine performance or drivability problems. This may cause the car to stall or misfire.
Screws inside the intake manifold can become loose causing internal engine damage if they fall out completely. Our technicians report that using a strong thread locker on the power valve butterfly screws can help prevent them from becoming loose. The manual transmission models reportedly do not have the intake manifold power valves.