The engine of the Toyota Yaris is the beating heart of your car and essential for a smooth driving experience. Issues such as oil leaks, overheating, power loss, or smoke development in the Toyota Yaris may indicate a faulty engine in the Toyota Yaris. If the engine of your Toyota Yaris is defective, you can opt for a refurbished or used engine for your Toyota Yaris, which is a cost-effective and sustainable alternative to a new one.