Heated Oxygen Sensor (Sensor 1) - Suzuki GRAND VITARA XL-7 Owner's Manual

ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE) 6E2-37

Heated oxygen sensor (sensor 1)

REMOVAL
WARNING:
To avoid danger of being burned, do not touch exhaust
system when system is hot. Oxygen sensor removal
should be performed when system is cool.
1) Disconnect negative (–) cable from battery.
2) Disconnect coupler of oxygen sensor (s).
3) Remove oxygen sensor (s) from exhaust manifold (s).
NOTE:
Be careful not to expose it to excessive shock.
1. Left (No.1) bank oxygen sensor (sensor 1)
INSTALLATION
Reverse removal procedure noting the followings.
• Tighten oxygen sensor (s) to specified torque.
Tightening torque
Heated oxygen sensor 1
(a) : 45 N·m (4.5 kg-m, 32.5 lb-ft)
• Connect connector of oxygen sensor (s) and clamp wire har-
ness securely.
• After installing oxygen sensor (s), start engine and check
that no exhaust gas leakage exists.
INSPECTION
Inspect HO2S-1 and its circuit referring to "DTC P0130 or P0150
Diag. Flow Table" in Section 6-1. If malfunction is found, replace.