The National Institute for Automotive Service Excellence offers the free webinar “Fuel Trim: Teaching Essential Skills for Engine Performance”Tuesday, Sept. 9, at 4 p.m.

Instructors from ATech Training will present this online webinar to learn how to master short term (STFT) and long term (LTFT) fuel trim analysis for effective engine diagnostics. The webinar covers:

• Air-fuel ratio fundamentals
• Sensor operation
• Fuel trim interpretation
• OBD-II scan tool usage
• Troubleshooting common fuel trim issues

Participants in this webinar will receive a certificate of attendance for this live session. Allow one week for automatic email delivery of the certificate.

Click here for more information or to register.