We test before we replace. With a lab scope and a thermal camera, we track down electrical and engine problems at your vehicle so you pay for the right repair.

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

Engine work in progress under the hood of a truck

Mobile auto repair in Roanoke

Finding the fault before replacing parts

A code reader tells you which system set a warning. It rarely tells you which part failed. That gap is where a lot of money goes to sensors and parts that were never bad. We bring dealer-level diagnostic skill to your vehicle in Roanoke and work the problem until we can point to the cause.

Our main tools are a lab scope and a thermal imager. The scope draws a live picture of a sensor or circuit signal, so a dropout or a weak pattern shows up on the screen. The thermal camera shows heat, which makes a dragging brake, a dead cylinder or an overheating connector easy to see.

Quick facts

Where

Your home, work or roadside in Roanoke

Price

Given before any work starts

Call hours

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

Reach us

Call or text 817-709-1357

Services in Roanoke

Repairs done onsite in Roanoke.

Diagnosis is often the first step for the services below, especially check engine lights and electrical trouble. Once the cause is found, we price the repair.

Car AC Repair

Car AC Repair in Roanoke →

Check Engine Light Diagnostics

Check Engine Light Diagnostics in Roanoke →

Brake Repair

Brake Repair in Roanoke →

Alternator and Starter Repair

Alternator and Starter Repair in Roanoke →

Timing Belt Replacement

Timing Belt Replacement in Roanoke →

Shocks and Struts

Shocks and Struts in Roanoke →

Belts and Hoses

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Water Pump Replacement

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Fluids and Tune-Ups

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Onsite and Roadside Repair

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Fleet Maintenance

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Ford Repair

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Don't see your repair listed? We can most likely still help. Tell us what the vehicle is doing.

Ask about your repair

Around Roanoke

Where scope and thermal testing earn their keep

Intermittent problems are the hardest to fix by swapping parts. A car that stalls once a week, a battery that dies overnight for no clear reason, or a misfire that comes and goes all need testing while the fault is happening. A lab scope can catch a signal dropping out for a split second, something a basic scan tool would miss.

Thermal imaging helps in a different way. Without taking anything apart, we can compare temperatures across the engine, the cooling system, the brakes and the wiring. One wheel running much hotter than the others, or a fuse that warms up with the key off, points us to the trouble spot.

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

See us on Google

Work trucks and company vehicles.

Fleet vehicles with repeat electrical faults get the same scope-based testing, so work trucks stop cycling through parts that never fixed the real problem.

Ask about fleet service

Questions

Mobile mechanic questions from Roanoke.

What is a lab scope and why does it matter?

A lab scope, or oscilloscope, graphs voltage over time. We use it to watch sensor signals, ignition events, injector pulses and charging output while the engine runs. It shows faults a scan tool can only hint at. If you have a problem nobody has pinned down, call or text us about it.

Can you diagnose a check engine light in Roanoke at my house?

Yes. We read the codes, check live data, and then test the specific circuits and parts involved, all at the vehicle. This kind of testing rarely needs a lift. Once we know the cause, you get a price for the repair. If you already pulled a code, include it in your text.

My car has a problem two shops could not find. Can you help?

Hard-to-reproduce problems are where our testing tools are most useful. Tell us what happens, when it happens, and what has already been replaced. That history helps us plan the tests and skip the parts that are already new. Call or text with the details and we will go from there.

What does a thermal imager pick up that a scan tool cannot?

It shows heat. A thermal camera can reveal which brake is dragging, whether a radiator has cold sections from blocked tubes, whether every cylinder is firing evenly, and whether a wire or connector is getting hot. It points us to the problem area first. Text us if your car has a symptom like these.

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