ASE L1 Exam Prep

ASE L1 Exam Prep

Download the top-rated ASE L1 app and study anywhere, anytime.

ASE Advanced Engine Performance Specialist Certification Test (L1) Exam Guide

The ASE Advanced Engine Performance Specialist (L1) Test is designed to measure a technician’s knowledge of the skills needed to diagnose emission failures and driveability problems on computer-controlled engine systems. It is an extension of the basic repair and diagnostic skills tested on the Automobile Engine Performance (A8) test. To register to take the L1 certification test, you must have passed the ASE Engine Performance (A8) Test.

A. General Powertrain Diagnosis
B. Computerized Powertrain Controls Diagnosis
C. Ignition System Diagnosis
D. Fuel Systems and Air Induction Systems Diagnosis
E. Emission Control Systems Diagnosis
F. I/M Failure Diagnosis

App At A Glance

  • 200 Practice Questions
  • 6 Content Subjects
  • 150 Happy Users

Create Custom Exams

In three simple screens, you can choose your study mode, content areas, and how many questions you want to take. Personalized practice will increase your learning ability.

Detailed Explanations

Our answer rationales are written to effectively teach you the material. We even explain why the distractors are incorrect choices so you can fully master the concepts.

Track Your Progress

Track your progress with detailed exam results and cumulative history charts. Analyze your past scores, the time taken to complete a test, and knowledge area strengths and weaknesses.

No Internet Required

Study anywhere, anytime. Open the app on your mobile device to get started.

Study Modes

See answers and explanations as you go or simulate an official exam by waiting until the end.

Study Reminders

Schedule daily study time that fits your busy schedule and never forget to study.

Question of the Day

Finding motivation to study can be tough. Challenge yourself with a new QOTD each day.

In-App Support

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Always Affordable

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