Frederick's Most Trusted Car Tune-Up Shop
Restore performance, improve fuel economy, and extend engine life with precision tune-ups for cars, vans & 4x4s.
Save On Your Tune-Up
- FREE Engine Diagnostic Scan
- FREE Instant Tune-Up Quote
- 10% OFF Tune-Up For New Clients*
- FREE Tire Rotation Included*
Fast booking • Same/Next Day Appointments available
Feel At Ease With Our Tune-Up Guarantee
Genuine OEM-Grade Spark Plugs, Filters & Performance Parts
Satisfaction Guaranteed
Noticeable performance improvement or we re-tune at no extra cost to you.
Next Day Appointment
Quick turnaround so you're back on the road with a smoother-running engine.
Price Beat Guarantee
We beat written dealer quotes for tune-up packages and parts.
24 Mo / 24k Mi Warranty
Full warranty on all tune-up parts and labor for complete peace of mind.
Our Tune-Up Services
5-Star Rated Precision Engine Care For All Vehicle Makes
Diagnostic-Driven Performance Tuning
Computerized engine analysis pinpoints exactly what your vehicle needs — no guesswork, no unnecessary parts, just real results.
Full Diagnostic Tune-Up
Complete computerized engine scan, spark plug inspection, ignition system check, air & fuel filter replacement, and performance adjustment.
Spark Plug & Ignition Service
Premium OEM-grade spark plug replacement, ignition coil testing, wire inspection, and timing adjustment for smooth starts and idle.
Filter & Fluid Service
Air filter, fuel filter, oil & oil filter replacement, plus PCV valve inspection and engine bay cleaning for optimal airflow.
Precision Tune-Ups You Can Depend On
Verified Tune-Up Customer Reviews
"My car was running rough and the tune-up made it feel brand new. Ben explained every step and the pricing was fair. Highly recommend Golden Auto!"
"Grayson called ahead and walked me through exactly what my tune-up included. My SUV runs smoother and gets better mileage now. Great service!"
"Booked a tune-up online and they had me in the next day. Honest mechanics who didn't try to upsell me on things I didn't need. Will be back."
"After moving to Frederick I needed a reliable shop for scheduled tune-ups. They explained everything and my car has never run better. So glad I found them."
Is Your Engine Ready For A Tune-Up?
Get your instant tune-up quote today, plus a FREE engine diagnostic scan with zero obligation!