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

With NGS

Inspection
1. Connect the SST to the data link connector-2.




2. Select the PID/DATA MONITOR function of NGS.
3. Select "O2S1", "O2S2" on the NGS display. NGS measures and shows the voltage.




Specifications

4. If not as specified, inspect the following.
^ On-board diagnostic system
^ System inspection
Intake manifold vacuum.
Fuel line pressure.
5. If these systems are OK, replace the heated oxygen sensor.