Diagnostics Archives - Page 7 of 46 - UnderhoodService
Diagnosing An Engine Misfire P0316 Code (Video)

Code P0316: Engine Misfire Detected on Startup (First 1000 Revolutions) could have many causes. Sponsored by Autolite.

Forcing OBD II Vehicle Emission Monitors

Some vehicles have readiness issues when it comes to setting all the OBD II monitors.

TPMS Sensor Signals

TPMS sensor signals are low power and low frequency, with most sensors transmitting at 315MHz or 433MHz.

Listen Better to Improve Repair Shop Diagnostic Skills

Great service advisors focus 100% on the customer’s complaint and ask “when” and “where” questions.

Diagnosing Driveability Problems

Understanding what comes out through the exhaust valve is critical to solving any emissions or driveability problem.

Turbocharged Engine Topics

Turbochargers have made a comeback – and it’s been quick.

Engine Components (VIDEO)

Engine management components are notoriously complex. This video is sponsored by The Group Training Academy.

The May Digital Edition Is Now Available To Download, Read

ShopOwner includes technical and management content and is free to download and read.

Verifying Boost Pressure Diagnostics

Boost pressure is determined by the speed of the exhaust turbine.

Steering Systems Have Changed – Do Customers Care?

Power steering systems aren’t the same old same old. This video is presented by The Group Training Academy.

Variable Valve Timing Strategy

Your diagnostic strategy needs to first focus on the supply of oil and then move outward to other possible problems.

Drivability Issues Fuel Trim Diagnostics

No code diagnostics are some of the most challenging drivability issues.