Tune Ups - Mishawaka, IN
Professional Tune-Up Services
Keep Your Vehicle Running at Peak PerformanceRegular tune-ups are essential for maintaining your vehicle's reliability, fuel efficiency, and longevity. Our certified technicians use advanced diagnostic equipment and quality parts to ensure your car runs smoothly for years to come.
Tune Ups
Regular tune-ups are essential for keeping your vehicle running smoothly, efficiently, and safely on the road. At A-Plus Auto Service, our comprehensive tune-up services help prevent costly breakdowns while maximizing your car's performance and fuel economy.
Our experienced technicians perform thorough inspections and replace key components like spark plugs, filters, and fluids to ensure your engine operates at peak condition. Whether you drive a domestic or import vehicle, we use quality parts and proven techniques to extend your car's lifespan and maintain its reliability.
Afterhours Drop-off
Pickup a form from our front door. Fill out what issues/services you need and follow the instructions.24/7 Secure Pickup
Get your serviced vehicle afterhours. Our secure key pickup is located outside our front door.50-point Digital Inspection
We provide a no-cost 50-point digital inspection on all oil changes with a text/email notification with full details.Parts & Labor Warranty
3 years or 36,000 mile nation-wide warranty on all new parts and labor.Common problems professional auto repair services can resolve:
Your vehicle will often communicate when it's time for a tune up through various performance symptoms. Recognizing these early warning signs can help prevent more serious problems and costly repairs.
Reduced Fuel Economy
If you're filling up more often without changing your driving habits, worn spark plugs or a dirty air filter may be reducing your engine's efficiency and wasting fuel.
Rough Idle or Stalling
An engine that shakes, vibrates, or stalls at idle often needs attention to the ignition system, fuel system, or sensors to restore smooth operation.
Hard Starting Issues
When your engine cranks longer than usual before starting or occasionally fails to start, a tune up may address worn spark plugs or fuel delivery problems.
Engine Misfires or Hesitation
Misfires feel like a brief stumble while driving, and hesitation during acceleration often indicates issues with spark plugs, ignition coils, or fuel delivery components.
Check Engine Light
The check engine light can indicate various problems, some of which are resolved during a tune up. Our complete diagnostic services will identify the exact cause before recommending repairs.
Our Process
We set expectations from the start, so you can rest assured your vehicle is handled with care at A-Plus Auto Service.
Schedule Your Appointment
Contact us now to schedule your appointment to evaluate your vehicle.
Schedule Appointment
Get Your Vehicle Inspection Report
We inspect and diagnose your vehicle, then provide you with a report and service options.
We Service Your Vehicle
Based on your service selection, we work diligently on your vehicle to completion.
Tune Ups you can count on:
Modern tune ups focus on replacing wear items and inspecting related systems rather than the frequent adjustments older vehicles required. Our comprehensive service addresses all components that affect your engine's performance and efficiency.
Spark Plug Replacement
We replace worn spark plugs that ignite fuel in your engine. Fresh plugs eliminate misfires, improve fuel economy, and ensure reliable starting. Most vehicles need new plugs every 30,000 to 100,000 miles depending on the type.
Air Filter Replacement
A clean air filter ensures proper airflow to your engine for optimal combustion. We replace clogged filters that restrict airflow and reduce both performance and fuel economy.
Fuel System Inspection
We inspect and replace fuel filters as needed to prevent debris from reaching your engine. A clogged fuel filter causes poor performance, hard starting, and potential damage to fuel injection components.
Ignition System Check
Our technicians inspect ignition coils, plug wires, and related components for wear or damage. We test the entire ignition system to ensure reliable spark delivery to all cylinders.
PCV Valve Service
We check the positive crankcase ventilation valve that controls emissions and maintains proper engine pressure. A stuck PCV valve can cause oil leaks, poor performance, and increased emissions.
A-Plus Auto Service
With over 25 years of experience serving the Michiana area, we understand what today's vehicles need to maintain peak performance. Our ASE-certified technicians provide honest, reliable service you can trust.
ASE-Certified Technicians
Our experienced technicians work on all makes and models, both domestic and foreign vehicles. We stay current with manufacturer recommendations and modern automotive technology.
No Unnecessary Services
We follow your manufacturer's specific recommendations and focus only on what your vehicle actually needs, not a generic one-size-fits-all approach that wastes your money.
Quality Parts with Warranty
As a TechNet Professional Center, we use quality replacement parts backed by a comprehensive 3-year/36,000-mile nationwide warranty for your peace of mind.
Comprehensive Vehicle Inspection
Every service includes our free 30-point courtesy check, so you'll know the overall condition of your vehicle. We also provide preventative maintenance recommendations to keep your car running reliably.
FAQ
Tune UpsHere are some common questions about Tune Ups. For answers to additional questions specific to your needs, please contact us now by phone. We're happy to help!
Anthony Elkins
May 2, 2026
I had a great experience with A-Plus Auto Service. Their team is incredibly thorough when it comes to maintenance and inspections. They really take th...
Kris Bloom
March 13, 2026
Awesome service and great communication. I have headlights I can see with now. Thank you plus all my rattles are gone.
They got me in quickly and mad...
Lindsey Flowers
March 11, 2026
Had the best experience here! The staff was extremely knowledgeable and had plenty of experience working with the ever so difficult Silverrock warrant...
Daryl is here
March 6, 2026
I originally picked up a coworker from A-Plus. The let me know what an honest group of people they had A-Plus. He had taken his car in with a supposed...
Deb Frecka
March 3, 2026
I've been taking our cars to A Plus Auto since 2008. The service is great and he people are friendly and helpful. Highly recommended!
Andy Grontkowski
September 24, 2025
Wanted info on having my car towed to A Plus for some repairs... had previously (within a month) had some work done by a dealer service department and...