Spark Plugs: Replace the spark plugs with new ones of the same type and size as the originals.
Spark Plug Wires: Inspect the spark plug wires and replace any that are damaged or cracked.
Distributor Cap: Inspect the distributor cap and replace it if it is cracked or damaged.
Rotor Button: Inspect the rotor button and replace it if it is worn or damaged.
Air Filter: Replace the air filter with a new one.
Fuel Filter: Replace the fuel filter with a new one.
PCV Valve: Inspect the PCV valve and replace it if it is clogged or damaged.
Oxygen Sensor: Inspect the oxygen sensor and replace it if it is damaged or not functioning properly.
In addition to these parts, it is also important to have the following services performed as part of a tune-up:
Engine Oil Change: Change the engine oil and oil filter.
Transmission Fluid Change: Change the transmission fluid.
Coolant Flush: Flush the coolant system and refill it with new coolant.
Throttle Body Cleaning: Clean the throttle body.
By performing these services and replacing the necessary parts, you can help ensure that your 2002 Nissan Xterra is running smoothly and efficiently.
