Learn system function and operating characteristics: Theory of wastespark, with a comparison to HEI operation.

Discover how Hall Effect sensors work.

Learn how the module assembly works, and how to diagnose its operation; includes a complete explanation of “soft shutdown” and EST functions.

Examine the operation and diagnosis of coil packs, crankshaft sensors and camshaft sensors.

Perform cylinder balance test for diagnosing open and shorted plug wires, and spark plug operation.

Diagnose vehicles with no spark, using GM diagnostic charts.