Heavy-Duty Computer Diagnostics, Agassiz BC

That check-engine light keeps coming back?

Real diagnostic equipment pulls the fault code straight off the truck's computer, so the fix targets what's actually broken. One repair, done right.

Call 604-316-8970 (24hr) See how we diagnose it

What the scan tool actually finds

Your dash light and the real problem are rarely the same thing

A code reader is a starting point, not an answer. Real diagnostic equipment traces the fault back to its actual source, so you stop paying for parts that were never broken.

Symptom What it actually is

Won't hold a code Intermittent wiring fault or a corroded ground, not a dead sensor. Swapping the sensor won't fix a bad connection.

Dash lights don't match the real problem Modern engine control units share fault paths. A generic check-engine light can mean a dozen different systems, only a live data read narrows it down.

Intermittent power loss Often a fuel delivery or electrical supply issue that only shows up under load, not something a static test at idle will ever catch.

Fixed once, back again in a week The last repair addressed a symptom, not the cause. A full diagnostic pass checks the whole system before anything gets replaced.

Call for a real diagnosis

Mazdock service truck's fully stocked diagnostic toolbox drawers open, with an excavator bucket and Link-Belt excavator in the background near Agassiz BC

Live data, not a blinking light

The truck carries real diagnostic gear, not a code reader from the parts store

The scan tool pulls live data and the actual fault code, not just a blinking light on the dash. That's the difference between fixing the part that's really failing and swapping parts until one of them sticks.

Call to book a diagnostic

A fault code nobody else could clear.

Some check-engine lights get reset and come right back. Call the mobile line and get someone who chases the fault to its source instead of clearing the code and hoping it stays off.

Mobile line: answered 24 hours

604-316-8970

Shop hours

Mon-Fri, 6am-4pm

Walk in or book ahead for inspections, diagnostics, engine work, welding, and A.C. at the Agassiz shop.

Mobile service

24hr emergency service call

Down on a shoulder, in a yard, or on a job site. Call and tell us where you are. We come to you.

Coverage

Eastern Fraser Valley, door to door

Agassiz, Chilliwack, Harrison, and Hope, plus wherever the job actually is in between. Not sure you're in range? Call and ask.

Stop swapping parts. Get the actual fault.

Every part that doesn't fix it is money gone and another day the unit sits idle. A real diagnostic finds the fault the first time.