Key facts
- Brand
- Actron
- Model
- CP7803
- Industry
- Industrial
- Documents
- 3
- Languages
- FR · ES · EN
- Last added
- 2012-06-05
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Actron CP7803 Vacuum and Pressure Gauge Test Kit User Manual
This document is a French-language instruction manual for the Actron CP7803 vacuum and pressure gauge test kit. It provides step-by-step instructions on how to use the gauge to perform various automotive diagnostic tests.
The guide covers several specific engine diagnostics, including cold start vacuum tests, running vacuum tests, exhaust restriction checks, PCV valve system testing, distributor advance depression mechanisms, and fuel pump volume and pressure tests. This manual is written in French.
All Actron CP7803 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What indicates a good mechanical engine condition during a running vacuum test?
A stable reading between 15 and 22 inches of vacuum.
From: Actron CP7803 Vacuum and Pressure Gauge Test Kit User Manual
What is the minimum vacuum reading for a stable engine condition on emission-controlled engines?
A relatively stable vacuum indication of 5 inches or more indicates correct engine depression.
From: Actron CP7803 Vacuum and Pressure Gauge Test Kit User Manual
What indicates a correct engine vacuum condition?
A reasonably stable reading of 10 cm or more for engines with emissions control, and 25.4 cm (inches) or more for older engines.
What does an erratic needle oscillation indicate?
It indicates a condition affecting all cylinders unequally and inconsistently, such as ignition timing or carburetor mixture issues.
What indicates a mechanically sound engine during a cranking vacuum test?
A steady reading between 15 and 22 inches indicates a mechanically sound engine.
From: Actron CP7803 Vacuum Gauge/Pressure Tester Kit Instructions
How do you test if the PCV valve is operating properly?
Unplug the PCV valve, crank the engine, and check that the vacuum drops to about one-half the value noted in the cranking vacuum tests.
From: Actron CP7803 Vacuum Gauge/Pressure Tester Kit Instructions