Fords are our specialty, from cars to heavy-duty trucks. We read Ford-specific codes and data in your driveway or at the job site and price the repair before work starts.

Call 817-709-1357 Text us Request a work order

Call hours: Mon to Fri 7:00 AM to 8:00 PM · Sat 9:00 AM to 4:00 PM

Check engine light in Colleyville

Ford diagnostics from someone who maintained fleets of them

Before starting Day's, our founder maintained the fleet for a large construction company, and most of it was Ford: cars, light trucks and heavy-duty trucks that worked hard every day. That kind of work teaches you how Fords fail, which sensors and connectors give trouble, and how Ford systems behave when something is off.

A basic code reader only sees the generic emissions codes. Fords also store manufacturer-specific codes in the engine, transmission, body and other modules, along with data a basic tool cannot show. We bring dealer-level diagnostic skill to the job, so we can see those codes and the live data behind them, then test the circuit or part on your truck before recommending a fix.

Ready to get it looked at? Call or text 817-709-1357 and you will hear the price before any work starts.

Warning signs

Ford check engine complaints worth testing

Misfire under load on a truck

Often a coil or plug, sometimes an injector, confirmed by testing each cylinder.

Evap codes after fueling

Capless filler necks and purge valves on many Fords can set small leak codes.

Reduced power with a wrench light

Ford's warning for a throttle, powertrain or transmission fault.

Rough idle with lean codes

A vacuum leak, intake problem or airflow sensor fault on the affected bank.

Shift complaints with engine codes

Transmission behavior often depends on engine and speed sensor data.

Engine work in progress under the hood of a truck

Why Day's

Shop-level work, where you park.

We bring dealer-level diagnostic tools, including a lab scope and a thermal camera, to wherever your vehicle is parked.

Fords are our specialty, built on years of maintaining a construction company's fleet, from cars and light trucks to heavy-duty work trucks.

About Day's

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How it works

How we work through a Ford at your location

Send the year, model and engine with a short note on what the truck is doing. If it is a work truck that needs to stay on the job, tell us where it will be parked.

We come to the vehicle and scan every module, then work from the codes and data that matter. We check Ford-specific readings, test the suspect circuit with a meter or lab scope, and confirm the cause before any part is ordered. You get a price before work begins. Coils, plugs, sensors and many electrical repairs happen in your driveway or at the job site, and bigger jobs are scheduled to keep the truck down as little as possible.

Questions

Check engine light questions from Colleyville.

What does the wrench light mean on a Ford?

The wrench light is Ford's powertrain warning. It often comes on with a throttle, transmission or related fault, sometimes along with reduced power. It is worth checking soon, even if the truck seems to drive fine afterward. Call or text with your model and engine.

Can you read codes a basic scanner misses on my Ford?

Yes. Fords store manufacturer-specific codes in modules beyond the engine computer, and a basic reader often cannot see them. We scan the whole vehicle and use live data to test from there. Request a work order and include the year, model and engine.

Do you work on Ford fleets in Colleyville?

Yes. Our founder maintained Ford fleets for a large construction company, and we work on company trucks and work vehicles as well as personal ones. Diagnosis can happen where the trucks are parked. Call or text to talk through what your fleet needs.

Do you work on Ford cars and SUVs too?

Yes. Our fleet work covered Ford cars and light trucks as well as heavy-duty trucks, and we work on other makes as well. The approach stays the same on all of them: read the data, test the system and confirm the cause. Text us the vehicle details to get started.

Around Colleyville

When to call about your Ford

Any time the check engine or wrench light comes on, it is worth a call, especially if the truck feels down on power or is shifting differently. A flashing check engine light or reduced power mode means park it until it is checked. If the Ford is part of a company fleet, we can line up diagnosis around your work schedule. Have the year, model, engine and mileage ready.