Optima L4-2.4L (2001)
5. While repeatedly racing the engine, measure the oxygen sensor output voltage.
6. If there is a problem, there may be an oxygen sensor malfunction.
Tightening torque
Heated oxygen sensor 40 - 50 Nm (400 - 500 kg.cm, 29 - 36 lb.ft)
Harness Inspection Procedure
HARNESS INSPECTION PROCEDURES
