ASE L1 Test Prep Study Guide | Advanced Engine Performance Specialist with CVT4



This updated ASE L1 Manual covers the new composite type 4 vehicle which makes up 50% of the entire test. This study guide covers the task list including General Powertrain Diagnosis, Computerized Powertrain Controls (Including OBDII), Ignition System Diagnosis,  Fuel Systems and Air Induction Diagnosis, Emission Control Diagnosis and I/M Failure Diagnosis.

Our instructors have compiled content along with test questions that will prepare you to take the L1 certification test and pass it the first time!

Additional information

Weight 2 lbs
Dimensions 10 × 3 × 12 in


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