Operation CHARM: Car repair manuals for everyone.
Home >> Acura >> 2003 >> 3.2TL V6-3.2L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Service and Repair >> Secondary HO2S Replacement
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

Secondary HO2S Replacement

Secondary HO2S Replacement

Special Tools Required
O2 sensor wrench, Snap-on YA8875, SP Tools 93750, or equivalent, commercially available




'02-03 models:
1. Disconnect the secondary HO2S 4P connector (A), then remove the secondary HO2S (B).
2. Install the secondary HO2S in the reverse order of removal.


pro multis · About Operation CHARM