Sarah Mitchell
Sarah has spent over a decade advising small and family-owned auto repair shops on growth, hiring, and customer experience. With an MBA from Western and a background in small-business lending, she has worked directly with more than 200 independent Canadian shops on pricing, marketing, and CRA-compliant bookkeeping. She writes about the operational and regulatory side of running a profitable independent garage in Canada.
465 articles by Sarah
How to Spot an Exhaust Leak Using the 'Bubble Test' at Home
The bubble test is a simple DIY method to detect exhaust leaks. Learn how to perform it safely and what results mean.
How to Prioritize Repairs When You're on a Budget
Learn which car repairs are urgent and which can wait. Get a practical framework for managing repair costs when your budget is tight.
How an Oil Change Can Uncover Other Hidden Engine Problems
Discover how a good mechanic uses oil changes to spot hidden problems. Learn what signs during service indicate bigger issues needing attention.
How to Diagnose an Engine Overheating in -20°C Weather
Engine overheating in extreme cold seems impossible but happens. Your cooling system must flow properly even in freezing weather. Learn what causes winter overheating and how to diagnose it.
What to Do if Your Car Stalls at a Stoplight
A car stalling at a stoplight indicates an idle control problem. Your engine can't maintain minimum RPM when stopped. Learn the common causes and why you need diagnostics.
The Role of Oxygen Sensors in Your Engine's Health
Oxygen sensors measure unburned oxygen in your exhaust. Your engine control module uses this data to adjust fuel mixture. A faulty sensor causes poor performance and emissions failure.
Is Your Car Having an 'Electrical Hiccup' or a Real Problem?
Intermittent problems are the hardest to diagnose. Your check engine light comes on occasionally then disappears. Learn how professional diagnostics capture these elusive problems.
How to Etch Your VIN on Your Catalytic Converter to Deter Thieves
Etching your VIN on your catalytic converter deters thieves. Learn the DIY process, why it works, and how much it costs.
Why Your Exhaust System is a Key Part of Passing Provincial Inspections
Provincial vehicle inspections check exhaust systems carefully. Learn what inspectors look for and how to ensure your vehicle passes.
Symptoms of a Failing Muffler: More Than Just a Loud Noise
A failing muffler causes more than noise. Learn the warning signs and why you should replace it before problems worsen.
The Link Between Exhaust Leaks and Poor Fuel Economy
Exhaust leaks reduce fuel economy and cost you money at the pump. Learn why and how fixing the leak saves fuel.
Diagnostic Fees: Why Your Mechanic Charges for 60 Minutes of Testing
Understand why diagnostic fees exist and what technicians actually do during that hour at the shop. Learn what equipment costs and why labor rates have increased.