Operation CHARM: Car repair manuals for everyone.
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

BARO

Range 11-105 kPa, 0-5.0 Volts: The Barometric Pressure (BARO) sensor measures the changes in the intake manifold pressure which results from altitude changes. The BARO value is updated at ignition ON and also at Wide Open Throttle (WOT).