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Johnny's AutomotiveJohnny's Automotive
Wauchula, FL

Computer Diagnostics at our Wauchula shop

Bring it to our Wauchula shop and we'll handle the computer diagnostics. Here's where to find us, when we're open, and how to book a time.

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Wauchula, FL201 North 6th AvenueBook a time online
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Where to find our Wauchula shop

Address, hours, and directions for the shop that handles your computer diagnostics.

Address

201 North 6th Avenue
Wauchula, FL 33873

Shop phone

(863) 222-3947

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
Options

Computer Diagnostics options in Wauchula

Choose the right computer diagnostics service for your needs.

Check Engine Light

Check engine light on? We pinpoint the exact cause with advanced diagnostics and provide clear repair options — no guesswork.

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Pre-Purchase Inspection

Buying a used car? Our thorough multi-point inspection uncovers hidden problems so you can buy with confidence.

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Vehicle Inspection

Vehicle Inspection evaluates relevant vehicle systems and documents findings for repair planning.

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No Start Diagnosis

No Start Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Electrical Diagnosis

Electrical Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Charging System Diagnosis

Charging System Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Overheating Diagnosis

Overheating Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Brake Noise Diagnosis

Brake Noise Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Suspension Noise Diagnosis

Suspension Noise Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Steering Problem Diagnosis

Steering Problem Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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AC Diagnosis

AC Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Vibration Diagnosis

Vibration Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Fluid Leak Diagnosis

Fluid Leak Diagnosis evaluates relevant vehicle systems and documents findings for repair planning.

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Recent Computer Diagnostics Work in Wauchula

Real jobs completed by our team in the Wauchula area

Our team

Our Team

September 2026

Why Won't My Car Start After Fueling Up?

What the customer reported

The vehicle would not start after fueling up, and there was a known issue with a loose ignition switch.

What we found and did

The technician determined that the ignition switch was loose and potentially causing the starting issue. The team removed and replaced the ignition switch and the electronic ignition module as a starting point to address the no-start issue. This work was expected to resolve the problem, although further issues might still exist.

Result

The vehicle started successfully after the replacement of the ignition components.

Pro Tip

If your car struggles to start after fueling, it might be an ignition issue. Addressing a loose ignition switch early can prevent more costly repairs down the line.

Our team

Our Team

September 2026

Why Won't My Car Start in the Morning?

What the customer reported

The vehicle owner reported that their car was shutting off in the morning, with RPMs dropping before the vehicle shut off completely.

What we found and did

The technician performed an initial assessment and found no immediate issues, except for a brake switch code being present. The technician conducted a thorough initial assessment at no charge, checking for any underlying issues that could cause the vehicle to shut off unexpectedly. Despite the brake switch code, no other problems were identified during the diagnostics.

Result

The vehicle was returned to the owner with no further issues detected at the time of inspection.

Pro Tip

If your vehicle shuts off unexpectedly, monitor the RPMs and note any error codes. Providing these details to your technician can speed up the diagnostic process and help pinpoint the issue.

Our team

Our Team

September 2026

Why Is My Car Leaking Oil After Recent Service?

What the customer reported

The vehicle owner noticed oil puddles forming under their car and found no oil on the dipstick shortly after a service. They also reported a decrease in coolant levels and steam under the hood.

What we found and did

The technician discovered that the valve cover gasket was failing, which was the source of the oil leak. The steam and coolant loss suggested additional issues with engine components. The team replaced the faulty valve cover gasket to stop the oil leak. They also performed a full synthetic oil change, replaced the engine or transmission mount, and installed a new serpentine belt tensioner to ensure the vehicle's optimal performance.

Result

After these repairs, the vehicle no longer leaked oil, and the engine ran smoothly without any visible steam.

Pro Tip

If you notice oil puddles under your car, it could indicate a gasket issue. Addressing it early can prevent more costly engine damage and ensure your vehicle runs efficiently.

FAQ

Computer Diagnostics in Wauchula: questions answered

Answered by our licensed technicians serving Wauchula.

Why do you charge for diagnosis when the parts store reads codes for free?

Because they're two different things. Reading a code takes a few seconds and tells you which system reported a fault. Finding the cause takes a technician, a lift, live data, and testing to prove which part in that system actually failed. That's the work you're paying for, and it's the part that keeps you from buying components that don't fix the car. Bring us the code you already have. It gives us a head start.

Does the diagnostic fee go toward the repair if I have you do the work?

That depends on the job, and the service advisor will lay it out at the counter before anything starts, so there are no surprises on the invoice. The bigger point is what the fee gets you either way: a confirmed cause with photos, and a quote based on the actual problem instead of a guess. Ask us when you drop the car off and we'll tell you exactly how it works for your repair.

How long does diagnosis take?

It depends on the symptom. Something that's failing right now in front of the technician can be pinned down quickly. An intermittent problem, a wiring fault, or a noise that only shows up cold takes longer, because we have to recreate the condition before we can test anything. We'll give you a time estimate up front and call you if what we find changes it. We'd rather tell you it's going to take a while than hand you a fast answer that's wrong.

What if you can't find the problem?

We'll tell you that plainly instead of picking a part and hoping. Usually it means the fault is intermittent and hasn't shown itself yet, and the next step is either leaving the car with us longer or bringing it back when the symptom is happening. You'll get everything we ruled out and how we ruled it out, which is real information even when it isn't the answer you wanted. If a job is beyond what we can test here, we'll say so rather than run up your bill.

Can you diagnose something another shop already worked on?

Yes, and we get that call a lot. We start from the car in front of us rather than from what's already been replaced, because assuming an earlier repair was right is how the same wrong answer gets repeated. Bring your paperwork if you have it. Knowing what's already been done and what changed afterward is genuinely useful. You'll get the same thing anyone else gets: a named cause, photos, and a quote, and no pressure about where you have the work done.

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ASE Certified Technicians

ASE certified techs working on your vehicle

Flexible Drop-Off Hours

Convenient service options

20+ Years

2 decades of trusted service