ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P0133 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 1)

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode , and Inspection Mode .

STEPCHECKYESNO

1.CHECK EXHAUST SYSTEM.

NOTE:

Check the following items.

• Loose installation of front portion of exhaust pipe onto cylinder heads

• Loose connection between front exhaust pipe and front catalytic converter

• Damage of exhaust pipe resulting in a hole

Is there any fault in exhaust system?

Repair the exhaust system.

Replace the front oxygen (A/F) sensor.