Is your car in need of a tune-up? While the term "tune-up" might sound old-fashioned, its meaning has evolved over time, just like the cars themselves. What used to be a routine service for older vehicles is now more precise and tech-driven, especially for modern cars equipped with computerized systems.

In the past, a tune-up involved adjusting things like ignition timing, idle speed, and fuel mixture—tasks that were essential for keeping engines running smoothly. Today, the process has shifted toward diagnosing and resolving performance issues using advanced tools and techniques. While the goal remains the same—to keep your car running efficiently—the methods have changed significantly.

If you're driving a newer vehicle, here's what you can expect from a modern tune-up:

Only When Needed

Most new cars come with maintenance schedules designed to keep everything running smoothly. A tune-up is often part of these regular checkups. However, if you start noticing problems—like difficulty starting, poor fuel economy, hesitation, stalling, or failing an emissions test—it’s time to bring your car in for a closer look.

It’s important not to wait until the next scheduled maintenance if something feels off. Early detection can prevent bigger, more expensive repairs down the road.

What’s Involved?

Today, a tune-up is more accurately referred to as an "engine performance analysis." This service includes a variety of checks and adjustments to ensure your engine is operating at its best. Here’s what it typically involves:

  • Testing and charging the battery voltage.
  • Checking the engine’s power balance to detect issues like leaky valves, worn piston rings, or damaged gaskets.
  • Performing an engine vacuum test to identify air leaks or exhaust restrictions.
  • Scanning for fault codes using specialized diagnostic tools.
  • Adjusting idle speed and idle mixture for optimal performance.
  • Testing exhaust emissions and ignition timing.
  • Inspecting hoses, belts, and fluid levels for wear or leaks.
  • Replacing spark plugs, distributor caps, rotors, and air/fuel filters when necessary.

While some tune-up services can be done alongside regular maintenance, it’s always better to address any concerns as soon as they arise. Ignoring small issues can lead to bigger problems—and higher repair costs.

Whether you need a tune-up or just want to stay on top of your car’s maintenance, Da Silva Auto Service is here to help. We offer reliable, affordable, and professional service tailored to your vehicle’s needs. Call our Naugatuck location today to schedule your appointment and keep your car running smoothly for years to come.

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June 28, 2025