Posted on 5/22/2026
Toyota vehicles are world famous for their quality and reliability, but that presupposes regular maintenance – and we don’t mean just oil change. At South Denver Automotive we provide comprehensive Toyota care, including spark plugs replacement. Spark plugs are vital to your vehicle. If they malfunction, at best it will not perform well. Spark plugs generate the sparks that ignite the fuel-air mixture that powers your automobile. Over time, spark plugs wear out, and will need to be replaced. It’s a regular maintenance task – the frequency will depend on the material used to manufacture the spark plugs – copper spark plugs typically last 30,000 – 40,000 miles. Iridium spark plugs can last about 90,000 miles, but they are more expensive. Platinum spark plugs are in the middle. Signs of spark plugs needing replacement can vary, and are similar to other engine maintenance needs, so if you see following symptoms, call our Denver auto repair shop to have ... read more