Maintenance guide
What Is Included in a Tune-Up for Modern Cars?
Written by the ASE-certified technicians at Auto Repair Shops America · 15+ years of hands-on repair experience
The short answer
A modern tune-up typically includes new spark plugs, an engine air filter, an inspection of ignition coils, belts and hoses, a throttle body cleaning and a diagnostic scan. Expect $200–$500 depending on engine type.
Tune-ups then vs. now
Older cars needed points and timing adjustments. Modern fuel-injected engines need far less, mostly plugs and filters.
What's included
Spark plugs, air filter, PCV valve check, throttle body cleaning, belt and hose inspection, and a code scan.
Signs you need one
Rough idle, hesitation, poor fuel economy, or hard starting.
Frequently Asked Questions
How long does a tune-up take?
1–3 hours depending on plug access.
Can a tune-up be done mobile?
Yes, most tune-ups are done in your driveway.
Get it fixed by a mobile mechanic
We come to you in 30+ metros including Dallas, Houston and Los Angeles.
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