Frontier XE King Cab 4WD V6-3.3L (VG33E) (2002)
Spark Plug: Service and Repair
Changing Spark Plugs
1. Disconnect ignition wires from spark plugs at boot. Do not pull on the wire.
2. Remove spark plugs with 16 mm (0.63 in) spark plug wrench.
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For VG33ER engine only; to remove the No. 2, and 4 spark plugs, the following components must be removed:
a. Disconnect the accelerator cable from the throttle body and the air inlet tube bracket.
b. Disconnect the ASCD cable from the throttle body and the air inlet tube bracket, if equipped.
c. Remove the air inlet duct.
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Disconnect the PCV hoses.
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Disconnect the resonator hose.