Maybe there’s a reason “upsell” has become a dirty word—and it might be your fault.
Service Writing Tip: Justify Your Recommendations
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Read more from Peter F Meier
The Stories Spark Plugs Have to Tell (VIDEO)
We don’t think much about spark plugs unless we think they’re the cause of a misfire concern, do we?
It’s All About the Process
To reach a successful diagnostic conclusion, you have to follow the right diagnostic path.
Dealing with “System Lean” DTCs
“System lean” diagnostic trouble codes are among the top 10 codes faced by techs.
The Misunderstood Ford 6.0
Is the Ford 6.0-liter PowerStroke really worthy of its nickname, the “Sick-O?”
Power and Ground Testing on an Electrical Circuit
The first steps you should perform when something electrical doesn’t work right.
Troubleshooting a “No A/C Compressor Engagement” Fault
Why a compressor clutch doesn’t engage, and tips to find the cause quickly.
Diesel Engines and Racing
You may be surprised at how diesels have made a name for themselves in motorsports.
Do I Need a Tune-up?
When a customer rolls into your shop and asks for a “tune-up,” what’s your first reaction?
When a Voltmeter Isn’t Enough (Video)
Many high-end scan tools come with a capable digital storage oscilloscope. Time to put that tool to work.
P0420/P0430—The #1 DTC in the Country
And the most misdiagnosed.
Dead Battery? (Video)
Diagnosing the cause of a battery drain can be a challenge today.
Check Engine Light On?
Grab a generic OBD-II scan tool and take these first steps to turn it off and keep it off.