Name: Replacing starter solenoid contacts (Nippondenso) @JustinMillerAutomotive
Uploaded: 2015-10-20T01:29:31-0400
Duration: 8 min 17 s
Description: How to replace the high current contacts in a starter motor solenoid. We use a Denso-brand starter as an example.

Testing a mass airflow sensor using calculated engine load @JustinMillerAutomotive

Uploaded June 2014 | Updated September 2026, 2 weeks ago

With a scan tool, you can view the calculated engine load PID. Under wide-open throttle acceleration, this number should easily go above 85%. If not, the mass airflow sensor is likely not measuring airflow accurately and needs to be cleaned or replaced.

Testing a mass airflow sensor using calculated engine load

Testing a starter motor circuit (shorter version without explanation)

Using Tables and Charts to Analyze Engine Data

Checking for cracks using Magnaflux (magnetic particle crack detection)

Measuring Frequency, Duty Cycle, & Pulse Width

Measuring cylinder bore, taper, and out-of-round

Replacing starter solenoid contacts (Nippondenso)