Automotive Digital Diagnostic Tools Kits User's Manual, containing cylinder pressure gauge test process, vacuum gauge test process and other contents
This manual provides detailed instructions for using the Addtool ADD5000 automotive digital diagnostic tool. It includes safety warnings, preparation steps, and procedures for testing cylinder pressure, vacuum, PCV system, and fuel pressure. The document also explains how to interpret test results and perform basic maintenance.
The guide contains parts identification, specifications such as normal vacuum ranges and pressure tolerances, and warranty information. It is intended for service technicians who need to diagnose and repair engine systems using the ADD5000 tool. This manual is written in Chinese.
| Maximum cylinder pressure variation | 10% between cylinders |
|---|---|
| Adjacent cylinder pressure difference warning | >20 psi indicates problem |
| Normal PCV system vacuum | 3–5 inches within ten seconds |
A normal PCV system should show a vacuum of 3 to 5 inches within ten seconds of engine start.