Quality fuel and regular servicing often eliminate the need for frequent fuel injector cleaning. Modern fuels already contain additives designed to clean injectors, reducing the need for additional maintenance.
While replacing a blocked air filter can improve gas mileage in carbureted engines, it has minimal impact on modern fuel-injected vehicles unless blockage is severe.
Many contemporary cars are designed for extended intervals between transmission fluid changes, often up to 100,000 miles under normal driving conditions.
Wipers should be replaced only when signs of wear or reduced effectiveness appear, typically every 6-12 months. Excessive replacement can be costly, so regular inspection.
While waxing can protect car paint and enhance appearance, excessive waxing is unnecessary. Applying wax once every season or as needed based on exposure to elements is sufficient.
Engine flushes are generally not recommended unless a specific problem or contamination is identified. They can potentially dislodge debris and cause more harm than good.
Scheduled washing of headlights is usually adequate to maintain visibility. Replacement or restoration should only occur when significant fading or damage occurs, as modern headlights are designed for longer-lasting clarity.
Automakers typically suggest changing spark plugs every 30,000 to 50,000 miles, and high-quality platinum or iridium spark plugs can last up to 100,000 miles. Excessive changes are unnecessary and can increase vehicle maintenance costs without benefits