Compression Test 101: What It Reveals About Engine Health

Wheel Bearing Noise: How Mechanics Diagnose Humming, Growling, and Vibration

Parasitic Draw Test: How Techs Find Battery Drains Without Guessing

Diagnostic Trouble Codes (DTCs) Explained: How Mechanics Turn Codes Into Real Fixes

OBD2 Scanner Basics: The First Diagnostic Skill Every New Technician Should Master

Our most recent blog posts

High-Voltage Contactor Faults in EVs: Symptoms, Safety Steps, and Service Clues
Cambridge
April 9, 2026

High-Voltage Contactor Faults in EVs: Symptoms, Safety Steps, and Service Clues

TL;DR High-voltage contactor faults can prevent an EV from entering ready mode and indicate issues with power delivery inside
Onboard Charger vs DC Fast Charging Faults: How EV Technicians Tell the Difference
Surrey
April 8, 2026

Onboard Charger vs DC Fast Charging Faults: How EV Technicians Tell the Difference

TL;DR Onboard charger vs DC fast charging faults require different diagnostic approaches. AC charging depends on the onboard charger
Battery Management Systems Explained: What Hybrid and EV Technicians Need to Know
Montreal
April 8, 2026

Battery Management Systems Explained: What Hybrid and EV Technicians Need to Know

TL;DR Battery management systems for EVs are responsible for monitoring battery health, balancing cells, and protecting the pack from
EV Isolation Faults: What They Mean and Why Technicians Take Them Seriously
Toronto
April 7, 2026

EV Isolation Faults: What They Mean and Why Technicians Take Them Seriously

TL;DR EV isolation faults indicate that high-voltage electricity may be leaking from the system where it shouldn’t. These
EV Heat Pump Problems: What Technicians Check When Range Drops in Cold Weather
Surrey
April 3, 2026

EV Heat Pump Problems: What Technicians Check When Range Drops in Cold Weather

TL;DR EV heat pump problems can reduce cabin heating efficiency and contribute to EV winter range loss. Because heat
Variable Valve Timing Problems: How Technicians Diagnose Cam Phaser and Solenoid Faults
Cambridge
April 2, 2026

Variable Valve Timing Problems: How Technicians Diagnose Cam Phaser and Solenoid Faults

TL;DR Variable valve timing problems can cause rough idle, reduced power, and fault codes. These issues are often linked
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