You might hear the term “tune-up” and wonder whether it still applies to modern vehicles filled with sensors, computers, and digital diagnostics. The truth is, while the nature of tune-ups has evolved, the need for periodic engine care remains just as important. Ignoring signs that your car needs attention can lead to performance issues, reduced fuel economy, and bigger repair bills down the road.
So how do you know if your car is due for a tune-up? Let’s take a closer look at what today’s tune-ups involve and what symptoms to watch for.
What Is an Engine Tune-Up
Traditionally, a tune-up included replacing spark plugs, adjusting the timing, and checking fuel and air filters. Modern engines don’t need as much manual adjustment, but many of the core services remain. Today’s tune-ups focus on restoring engine efficiency, updating worn parts, and ensuring everything is operating in sync.
This may include:
- Replacing spark plugs and ignition components
- Inspecting or replacing air and fuel filters
- Cleaning the throttle body
- Checking sensors and engine codes
- Inspecting belts, hoses, and fluids
The goal is to keep the engine running smoothly, extend its lifespan, and maintain the fuel efficiency and power you expect.
Signs Your Car Needs a Tune-Up
Most tune-ups are based on mileage or time, but your car might give you some warning signs that it’s time to get things checked. Here are some of the most common indicators:
Your Engine Feels Sluggish or Rough
If your car hesitates when accelerating, feels jerky at idle, or has lost its usual get-up-and-go, it could be a sign of worn spark plugs or clogged filters. These issues affect combustion, causing poor performance or misfires.
In some cases, an aging ignition coil or a dirty mass airflow sensor can also disrupt engine behavior. A tune-up helps bring back the smoothness you’re used to.
You’re Visiting the Gas Station More Often
When your engine isn’t working efficiently, it burns more fuel to maintain performance. You might not notice right away, but if your fuel economy has dropped noticeably, it may be time for a tune-up. Replacing spark plugs, cleaning sensors, or swapping out a dirty air filter can have a noticeable impact on how far your fuel takes you.
The Check Engine Light Comes On
Modern vehicles monitor dozens of systems, and when something isn’t working right, the check engine light will appear. Sometimes, this is due to a loose gas cap or a minor sensor glitch. Other times, it could be related to misfires, emissions issues, or timing problems—many of which can be caught and corrected during a tune-up.
If the light is on, it’s worth getting a diagnostic scan to see what’s behind it.
Strange Noises or Vibrations
If your engine starts making unusual ticking, knocking, or vibrating noises, it may be struggling to maintain proper combustion. These sounds often relate to worn spark plugs or timing issues and are a clear sign the engine needs inspection. Don’t ignore these noises—they can be early warnings of developing problems.
It’s Been Over a Year Since Your Last Service
Even if your car feels fine, regular maintenance is still essential. Spark plugs typically last between 30,000 and 100,000 kilometers, depending on the type. Filters should be replaced regularly, and fluids should be checked at least once a year.
If you haven’t had a tune-up or major service in over a year, it’s smart to schedule a visit. Staying ahead of problems is always more affordable than reacting to them after something breaks.
Tune-Ups Extend the Life of Your Vehicle
Think of a tune-up as an investment in your vehicle’s health. Regular maintenance helps you avoid unexpected breakdowns and keeps your car performing as it should. It also gives your technician a chance to inspect for wear in other areas—like belts, hoses, or engine mounts—that can be repaired before they fail.
This is especially important if you plan to keep your vehicle long-term or want to maintain resale value. A well-maintained engine lasts longer, runs smoother, and costs less over time.
Trust A Plus Automotive in Kelowna, BC, for Reliable Service
At A Plus Automotive in Kelowna, BC, we believe in helping you get the most out of your vehicle with professional care and straightforward advice. If you’re noticing performance issues, unusual fuel consumption, or warning lights—or if it’s just been a while since your last tune-up—our team is here to help.
We’ll take the time to inspect your engine, identify any worn components, and perform the services your car actually needs—no more, no less. Schedule your tune-up today and keep your engine running the way it should.