Check Engine Light & Vehicle Diagnostics in Nepean
A code is not a diagnosis. We read the codes, then test the system to find the actual cause, so you pay to fix the problem once.
Buttons: Book a Diagnostic · Call 613-202-1400
Why Everline for Diagnostics
Parts stores read codes for free and sell you a part. Often the part was fine and the fault was a wiring connector, a vacuum leak or a sensor downstream. Our technicians use professional scan tools with live data, wiring diagrams and manufacturer test procedures to confirm the fault before recommending a repair.
Every Diagnostic Includes
- Full system scan: engine, transmission, ABS, airbag, body modules
- Freeze-frame and live data review
- Pinpoint testing of the suspected circuit or component
- Written findings, cause, and estimate for the repair
- Diagnostic fee credited toward the repair when we do the work [confirm policy]
Diagnostic Pricing
| Service | From |
|---|---|
| Check engine light diagnosis | $[PRICE] |
| Electrical / intermittent fault diagnosis | $[PRICE] per hour |
| Pre-purchase inspection | $[PRICE] |
Steady or Flashing?
A steady check engine light means the computer logged a fault. Book a diagnosis within a few days. A flashing check engine light means an active misfire that can destroy the catalytic converter. Pull over safely and call us.
Common Check Engine Light Causes
- Loose or worn fuel cap (evaporative system)
- Oxygen or air-fuel ratio sensor
- Ignition coil or spark plug misfire
- Catalytic converter efficiency
- Mass airflow sensor or intake leak
- Thermostat stuck open
- EGR or purge valve fault
Diagnostic Questions
Can I keep driving with the light on?
If it is steady and the car drives normally, yes for a short time. If it is flashing, no.
Why charge for a diagnosis when the parts store scans for free?
The free scan gives a code. The diagnosis finds the cause. Replacing parts by code often costs more than the diagnosis would have.
Will clearing the code fix it?
No. The light will return when the fault recurs, and clearing it erases data that helps us diagnose it.
Do you diagnose electrical gremlins?
Yes. Intermittent faults, parasitic battery drains, lighting and module communication problems.
Book a Diagnostic in Nepean
Online or call 613-202-1400.