Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Vacuum Gauge/Economy Meter
Vacuum Gauge:
PURPOSE Used to monitor the engine intake air system, while the vehicle is running.
Can be used to detect:
^
Obstruction of air flow in the exhaust system
^
sticking valves
^
Broken valve springs
^
Low compression
^
Ignition timing problems
^
Vacuum leaks