Service

Using regular gas in an engine that requires premium could void your warranty if it causes severe engine knock or pinging.

EGR stands for exhaust gas recirculation, and the EGR valve is part of a system that recirculates exhaust gas back into the engine’s intake manifold for a return trip to the cylinders it just left.

Airbags cannot do their job if the sensors are not working properly, so if the SRS light on the dash illuminates, don’t ignore it.

A misfire means that a cylinder in your engine isn’t producing the power it should because the air-fuel mixture in it didn’t properly ignite and burn.

Everyone knows cars cost money, but what’s less known is how much that car will keep costing you after its initial purchase.

A catalytic converter is part of your car’s exhaust system that converts harmful engine-exhaust pollutants into something less harmful to the environment.

When suspension bushings are worn, they don’t adequately fill the gap between parts, which can lead to loose-feeling steering, uneven tire wear and even broken components.

We’ve owned a 2025 Toyota 4Runner TRD Off-Road Premium for two months, and it’s already had its first service visit for two issues: a leaky moonroof and a broken front air dam.

A general recommendation is to replace the positive crankcase ventilation, or PCV, valve every 30,000 to 50,000 miles.

A cabin air filter cleans the air coming into your car’s interior through the heating, ventilation and air-conditioning systems.