Most modern cars don't have replaceable fuel filters-dealers often upsell $300 services when a $15 Chevron Techron bottle cleans fuel injectors instead.

Unless your vehicle suddenly starts to hesitate or run roughly, fuel filters on modern fuel-injected vehicles only need to be checked — and replaced, if necessary — during the tune-up inspections ...

When you’re on the go, your car’s engine is sucking in fuel like Takeru Kobayashi inhaling a platter of hot dogs. Handling that heavy load, your fuel pump sends fuel from the gas tank to the engine.