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Johnny's AutomotiveJohnny's Automotive
Lake Wales, FL

Check Engine Light at our Lake Wales shop

Bring it to our Lake Wales shop and we'll handle the check engine light. Here's where to find us, when we're open, and how to book a time.

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Lake Wales, FL323 North Scenic HighwayBook a time online
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Where to find our Lake Wales shop

Address, hours, and directions for the shop that handles your check engine light.

Address

323 North Scenic Highway
Lake Wales, FL 33853

Shop phone

(863) 676-3858

Hours

Mon to Fri, 7:30 AM to 5:30 PM; Sat and Sun, closed

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 work

Check Engine Light jobs at our Lake Wales shop

Check Engine Light

November 2026 · Lake Wales

2015 Jeep Wrangler

Misfire on Cylinder 4 After a Tune-Up: Do I Need New Coils?

What the customer reported

The vehicle owner reported the check engine light (CEL) was on after a tune-up, with a misfire on cylinder #4. The owner asked for a quote for all new coils.

What we found and did

Further in-depth testing found the cause was a failed engine, internal, rather than the coils. Cylinder 4 had low compression, measured at 50% of spec. The technician ran the diagnosis at our Lake Wales shop and recommended a new engine, which the vehicle owner declined at this time.

Check Engine Light

November 2026 · Lake Wales

2012 Ford F-150

Vehicle Went Into Limp Mode With the Check Engine Light On

What the customer reported

The vehicle owner reported that the vehicle went into limp mode and the CEL was on.

What we found and did

At our Lake Wales shop, the technician tested the vehicle, and the notes say it may require further testing. The team then replaced the throttle body unit with gasket and replaced the belt tensioner with pulley, reusing the current belt. The throttle body and fuel system were cleaned as part of the service, including a 4 part BG GDI / fuel injection cleaning, and the vehicle also received a full synthetic oil change. A tune up with valve cover gaskets was recommended because of an oil leak, but that work was not done on this visit.

Check Engine Light

October 2026 · Lake Wales

2019 Toyota Highlander

Lack of Throttle Response and a Check Engine Light

What the customer reported

The vehicle owner reported that the CEL was on and the vehicle had a lack of throttle response. A fuel pump and an exhaust sensor had been replaced recently.

What we found and did

Testing at our Lake Wales shop found codes P0441 and P0443, both purge valve codes. The technician installed an aftermarket purge valve. The technician noted that this type of valve is known to have issues, and that if the concern persists an OEM purge valve will be needed.

Result

The technician's notes recorded no issue at this time after the aftermarket purge valve was installed.

Show 6 more jobs

Check Engine Light

October 2026 · Lake Wales

2020 Kia Sorento

P0171 Lean Code After Swapping Oxygen Sensors Yourself

What the customer reported

The check engine light was on with code P0171, system running lean. The owner had already tried to replace a couple of oxygen sensors without resolving it, and when accelerating the RPM jumps with low throttle response.

What we found and did

The technician found the reason for concern was a failed Oxygen Sensor(s) O2 (Bank 1, Sensor 2), along with a Tune Up need because carbon buildup was present. The work performed on this visit at our Lake Wales shop was testing to identify the cause. The vehicle owner declined any immediate repairs, and financing options were sent. Further testing may be needed.

Check Engine Light

October 2026 · Lake Wales

2014 Ford Mustang

Check Engine Light On but the Car Drives Fine: What Now?

What the customer reported

The vehicle owner reported that the check engine light was illuminated, though the vehicle was not experiencing any drivability issues at the time.

What we found and did

The technician noted that the emission system has many components, so the purge valve/solenoid in the engine bay was chosen as the place to start. At our Lake Wales shop, the team performed testing and service on the purge valve/solenoid, removing and replacing components as required to access it, then planned to retest and verify the repair with a final road test where applicable. The notes also say further testing may be needed.

Check Engine Light

September 2026 · Lake Wales

2014 Nissan Maxima

What Caused the Rough Idle and Service Engine Soon Light?

What Caused the Rough Idle and Service Engine Soon Light?

What the customer reported

The vehicle owner reported that a warning light turned on, Service Engine Soon, and the engine had a rough idle.

What we found and did

The technician found valve cover gasket(s) with covers leaking, with the severity of the leaks calling for that repair to be the starting point, and the oxygen sensor O2 (Bank 1, Sensor 2) was flagged as the reason for the concern. After a no-charge initial assessment at our Lake Wales shop, the team performed the valve cover gasket(s) with covers oil leak repair and the Bank 1, Sensor 2 oxygen sensor service. The plan was to clean the area and re-check the leaks, then re-test the sensor, since 3 other sensors could fail in future and may be needed.

Check Engine Light

September 2026 · Lake Wales

2017 Jeep Grand Cherokee

Check Engine, ABS, and Parking Brake Lights On

What the customer reported

The vehicle owner reported that the check engine light, the ABS light, and the parking brake warning were all on.

What we found and did

The technician flagged the passenger front ABS wheel speed sensor as the reason for concern. Because there are many ABS components and 3 other wheel speed sensors, the team started with that sensor and planned to re-test. At our Lake Wales shop, the work was to remove and replace components as required to access and install materials, then retest and verify the repair, with a final road test where applicable. The notes also say further testing may be needed on the check engine light.

Check Engine Light

September 2026 · Lake Wales

2014 Jeep Compass

Clunk in the Passenger Front Tire Area When Driving

What the customer reported

The vehicle owner reported a clunk in the passenger front tire and a check engine light with a P0456 code.

What we found and did

The technician's notes said further testing may be needed for a complete answer. At our Lake Wales shop, the team replaced the steering gear and both front sway bar links and performed testing. The check engine light concerns were not repaired on this visit, and the catalytic converter, purge valve/solenoid, and battery work were recommended for a later visit.

Check Engine Light

September 2026 · Lake Wales

2008 Honda Accord

Check Engine Light On After Crankshaft Replacement

What the customer reported

The check engine light was on. The customer reported that another shop scanned the vehicle and said the issue was related to the crankshaft, even though the crankshaft had been replaced in February.

What we found and did

The vehicle came back to our Lake Wales shop as a recheck of the previous work. The technician ran recheck testing and then removed and replaced the crankshaft position sensor, along with any components needed to reach and install it. The technician then retested the repair and performed a final road test where applicable.

FAQ

Check Engine Light in Lake Wales: questions answered

Answered by our technicians serving Lake Wales.

Can I keep driving with the check engine light on?

If the light is steady and the car drives normally, yes, get it scheduled rather than parking it. If it's flashing, if the car is running rough, or if a temperature or oil light is on with it, that's the moment to stop driving it. When you're unsure, call the shop and describe what it's doing.

Isn't a free code scan the same as a diagnosis?

A scan reads the stored number, which is a useful first clue and takes a minute. A diagnosis figures out which of the possible causes behind that number is the real one, using live data, testing, and sometimes a road test. That gap is exactly why people replace parts that weren't broken.

Will the light turn off by itself after the repair?

Usually yes, after the car completes its own self checks over a few drive cycles. We clear the codes when the repair is done so it starts fresh, then verify the fault doesn't return. If it comes back, that tells us something too.

Can I just disconnect the battery to reset it?

It will turn the light off and it also erases the freeze frame data we use to find the cause, so it makes diagnosis harder. The light also comes back once the fault repeats.

Can you quote the repair over the phone if I read you the code?

We can tell you what system that code covers and what it usually turns out to be, and we're happy to do that. We won't quote a repair on it, because the same code lands on different parts in different cars. The quote comes after we've tested and know which one you have.

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