"Tune-up" is an old word. Here's what the work is now.
The name comes from the era of carburetors and ignition points, when engines genuinely drifted out of tune. Modern engines don't drift — computers adjust them every millisecond. What your car still needs is the wear items the computer can't replace.
What a modern tune-up includes
Strip away the old name and it's a wear-item service plus a proper looking-over. On most cars that means:
- Spark plugs — the one item that still deserves the word "tune." Worn plugs cost you smoothness first, fuel economy second, and ignition coils third, because coils work harder firing tired plugs.
- Engine air filter — the engine's lungs. Cheap, quick, and genuinely felt when it's overdue.
- Cabin air filter — your lungs. The one most people didn't know their car had.
- Fluid levels and condition — oil, coolant, brake fluid, power steering: checked, topped, and honestly assessed, not automatically flushed.
- Belts and hoses — looked over for cracking and wear before one of them picks the schedule for you.
- Battery and charging test — thirty seconds with a tester now beats a no-start in January. (More on that in the cold-weather battery guide.)
- Tires and visible brake check — pressures set, wear patterns read, pads eyeballed while we're low anyway.
All of it happens at your address — the car doesn't have to be broken to get looked after, and maintenance is exactly the appointment that shouldn't cost you a morning in a waiting room. The tune-up & maintenance page covers scheduling.
What a tune-up can't do
Worth saying plainly, because the word gets sold as a cure-all:
- It won't fix a check engine light. A lit CEL is a stored code pointing at something specific. That's a diagnostic — reading the code and testing what it implicates — not a parts ritual. Sometimes the answer is a plug or a coil; the point is to know, not guess.
- It won't cure a specific symptom. A shudder, a stall, a noise — those are diagnoses waiting to happen. A tune-up replaces wear items on schedule; it isn't a treasure hunt.
- It doesn't need to happen "every spring." The right interval is the one in your owner's manual. Modern plugs alone can be rated anywhere from thirty thousand to over a hundred thousand miles depending on type — the calendar isn't the schedule; the book is.
When is yours due?
Honest shortcut: open the owner's manual (or glovebox app) to the maintenance schedule and compare it to the odometer. If you can't find a record of the plugs ever being done and the car has real miles on it, that's usually the place to start. If you'd rather hand the question off — text us the year, make, model and mileage, and we'll tell you what the schedule actually calls for at your number, and what can wait.
Maintenance that comes to the car.
Driveway, workplace lot, campus parking. Same-day and next-day slots at most addresses.