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
California Emissions
Fig. 34 Oxygen Sensors (California Emissions):
Upstream Oxygen Sensors:
Downstream Oxygen Sensors:
The upstream O2S sensors are located in the exhaust downpipe before the catalytic convertor. The downstream heated oxygen sensors are located near the outlet end of the catalytic convertor.
