How do you do a tune up on a 1999 Infiniti G20?

To perform a tune-up on a 1999 Infiniti G20, start by replacing the spark plugs and ignition wires for optimal engine performance. Check and replace the air filter to ensure proper airflow, and consider changing the fuel filter if it hasn't been done recently. Additionally, inspect and change the engine oil and oil filter, and check the fluid levels for the transmission, brake system, and coolant. Finally, examine belts and hoses for wear and replace them as necessary.