In the early '70s, Mopar changed the concept of a tune-up with the introduction of the breakerless, capacitor-discharged ignition system. Thus began the evolution of electronic engine controls. since ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...

Misfiring, rough idling, poor acceleration, and decreased fuel efficiency — the four ominous horsemen of bad spark plugs. Nobody wants to ever get to that point before desperately changing such a ...

Spark plug fouling can be caused by dirty injectors or overly-rich fuel/air mixtures. Keeping up with maintenance and ...

View post: I Drove the 2026 Hyundai Ioniq 9. Here Is Why It’s Better Than a Tesla Model Y Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject ...