Your engine is the heart of your vehicle—and like a human heart, it needs regular monitoring to stay healthy. From spark plugs to oxygen sensors, a complex network of components works together to keep you moving. When something goes wrong, your car's warning lights are like a heartbeat monitor, signaling that it's time for a checkup. Trusted local experts like Last Chance Auto Repair (serving Plainfield, Naperville, Bolingbrook since 1978) offer FREE engine computer scans to help you understand exactly what's going on under the hood.
Ignite the air/fuel mixture. Worn plugs cause misfires, rough idling, and poor fuel economy.
Replace every 30,000–100,000 milesKeep dirt and debris out of the engine. A clogged filter reduces performance and efficiency.
Check every 15,000 milesMonitor oxygen, airflow, and temperature. Faulty sensors trigger the check engine light and affect emissions.
Critical for fuel mixtureLubricate and cool internal parts. Low or dirty oil is a leading cause of engine failure.
Check monthlyCan indicate anything from a loose gas cap to a serious misfire. A computer scan is the only way to know for sure.
Low oil pressure—stop immediately. Continuing to drive can destroy your engine.
Engine is overheating. Pull over and let it cool. Check coolant level.
Alternator or battery issue. Electrical systems may fail.
Call 815-577-0327 or stop by Last Chance Auto Repair in Plainfield.