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To locate the idle air control valve on a 2002 Nissan Xterra, check out this video: https://www.youtube.com/watch?v=2wz70IEr2I0. Several potential engine issues can arise, such as a loose gasket that should be promptly tightened. Address any oil leaks immediately, as well as a spark plug that may become dislodged, leading to engine problems. One critical issue is engine overheating, which can result in car fires and even explosions. Monitor oil consumption levels and change the oil promptly. Replace the air filter every 15,000 to 30,000 miles, change the coolant every 60,000 miles, and swap out spark plugs every 100,000 miles unless using a copper one, which should be replaced every 30,000 miles.
The idle air control valve in the 2002 Nissan Xterra is located behind the throttle body intake.