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:
Vacuum Gauge Readings:
^
Used to monitor the engine intake air system, while the vehicle is running.
^
Can be used to detect:
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Obstruction Of Air Flow In The Exhaust System
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Sticking Valves
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Broken Valve Springs
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Low Compression
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Ignition Timing Problems
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Vacuum Leaks