Render of a car showing the gasoline powertrain system

Diagnosing and Repairing Misfire Monitor Failures

Course number: SV11358-11B1

Beginning in 1996 the federal government required all light trucks and cars sold in the U.S. to be equipped with a diagnostic system known as OBD-II (onboard diagnostics 2). The purpose of this system is to identify when the emissions coming from the exhaust exceed the federal standard and to alert the driver when this happens. To do this the OBD-II system monitors the engine for misfires, detects when misfires occur and stores critical vehicle data when a misfire is detected.

The objective of this course is to provide a compilation of credible information for the technician to enhance their skill set related to the technology used to detect misfires and provide a reference guide for diagnosing misfires in a complete and efficient manner.                                           

Skill Level Intermediate to advanced
Audience All automotive aftermarket technicians
Prerequisites Proficiency with scan tool; understanding of OBD-II and vehicle ignition systems
Duration 4 hours


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Course Highlights
  • Overview of OBD-II (onboard diagnostics 2)
  • Compilation of credible information to enhance skill using OBD-II
  • How to detect and diagnose misfires in a complete and efficient manner