Soft covered book titled ENGINE PERFORMANCE DIAGNOSIS & TUNE-UP, Classroom Manual, by Chek-Chart Publications, A Division of H. M. Gousha, 1989. 2nd Edition.

This book is divided into 5 Parts:

• Engine Operation and Tune up Requirements
• Electrical Systems
• Fuel System
• Electronic Engine Management
• and Emission Control Systems.

There is also a NIASE Sample Certification Exam, and many illustrations, diagrams and charts.

VG condition, pages are clean and intact, and the binding is tight. There are several pages at the beginning of the manual that are wrinkled, like they might have been damp at one time, but they are not stained or soiled. A wonderful addition to any mechanic's library!