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Diagnosing a poorly running Sierra. Misfiring and backfiring, Using a scope and pressure transducer, we eliminate the usual suspects that may cause these issues, However, the scope patterns indicate a timing issue. By digging a little deeper we find the problem, and it wasn't something that happened on it's own.

An in-depth description on how we diagnosed a parasitic battery drain. Watch to the end!

In this video we discuss the description, operation, and calibration of steering sensors, brake sensors, as well as serial communication and real-world case studies.

Description and operation of traction and stability control components, diagnosis and testing.

Watch as we diagnose the root cause of a misfire using a scope and pressure transducer.

Watch as we diagnose a 2003 Honda CR-V that doesn't start because of an immobilizer system issue. Follow us on YouTube for more automotive diagnostic videos!

Wipers won't turn off, windows and door locks don't work, all lights on dash illuminated. Watch how we diagnose this difficult issue!

Diagnosing a Hyundai Hybrid engine that surges when switching to gas mode.

A good overview of traction control system operation and diagnosis.

Battery dies when parked for several days. Detailed tutorial on accurately monitoring electrical system and battery condition.

A great example of using a scope and pressure transducer to accurately diagnose an intermittent misfire. Watch till the end!