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Johnny's AutomotiveJohnny's Automotive
Haines City, FL

Tune Up at our Haines City shop

Bring it to our Haines City shop and we'll handle the tune up. Here's where to find us, when we're open, and how to book a time.

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Haines City, FL31600 U.S. 27Book a time online
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Where to find our Haines City shop

Address, hours, and directions for the shop that handles your tune up.

Address

31600 U.S. 27
Haines City, FL 33844

Shop phone

(863) 422-2995

Hours

Monday
7:30 AM to 5:30 PM
Tuesday
7:30 AM to 5:30 PM
Wednesday
7:30 AM to 5:30 PM
Thursday
7:30 AM to 5:30 PM
Friday
7:30 AM to 5:30 PM
Saturday
Closed
Sunday
Closed

Recent Tune Up Work in Haines City

Real jobs completed by our team in the Haines City area

Our team

Our Team

August 2026

Why Is My Check Engine Light On After a Recent Repair?

The Problem

The vehicle owner reported that the check engine light was on, and they wanted a thorough inspection of the vehicle for any necessary services.

What We Found

The technician noted that the vehicle required a tune-up and that the rear drum brakes needed cleaning and adjustment.

The Fix

The team performed a full synthetic oil change, a tune-up for the four-cylinder engine, and a drum brake service that included cleaning and adjusting the rear brakes. They also completed a thread repair as part of the maintenance.

The Result

After the services, the vehicle was in better condition, addressing the immediate maintenance needs.

Pro Tip

If your check engine light comes on after a recent repair, it could indicate other maintenance needs. A comprehensive inspection can catch issues early, saving you from more expensive repairs later.

Our team

Our Team

August 2026

What Causes Erratic RPMs While Driving?

The Problem

The vehicle owner reported that the RPMs were erratic when driving, making it feel as though the throttle was sticking.

What We Found

The technician conducted an initial assessment and determined that the vehicle required a tune-up for its 6-cylinder engine.

The Fix

A comprehensive tune-up was performed, including the replacement of necessary components and adjustments to the engine system. This service was part of the scheduled maintenance to ensure optimal engine performance.

The Result

After the tune-up, the vehicle's RPMs stabilized, resolving the erratic behavior experienced while driving.

Pro Tip

Erratic RPMs can often be resolved with a thorough tune-up, which includes replacing spark plugs and inspecting the ignition system. Regular maintenance keeps your engine running smoothly and can prevent more costly repairs down the line.

FAQ

Tune Up in Haines City: questions answered

Answered by our licensed technicians serving Haines City.

What is included in a tune-up at your shops?

It depends on your vehicle, which is the honest answer rather than a dodge. We start from the factory maintenance schedule for your year and engine, add what testing shows, and give you the list before we touch anything. Two cars with the same mileage can need very different work.

Does my car need a tune-up if nothing feels wrong?

Scheduled maintenance is worth doing on time even when the car feels perfect, because filters and plugs wear gradually enough that you adapt without noticing. What you do not need is a package of parts added on top of that schedule. If nothing is due and nothing tests badly, we will tell you so.

Will a tune-up turn off my check engine light?

Not reliably, and we would not sell it to you that way. A lit check engine light means the computer stored a specific fault, and that fault deserves a diagnosis before anyone spends money on parts. Sometimes the fix is maintenance, and sometimes it is a repair that maintenance would never have touched.

How often should the engine air filter be replaced?

Your manual gives an interval, and dusty roads, grove work, and heavy pollen seasons can shorten it. It is easy to check visually, so we look every time the car is in and only recommend it when it is actually dirty.

Does every car need the throttle body cleaned?

No. It helps when carbon has built up enough to affect idle quality or throttle response, and it does nothing measurable when the throttle body is already clean. We look at it before recommending it, and that is a separate thing from cleaning your fuel injectors.

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