CHECK FRONT OXYGEN (A/F) SENSOR DATA.

Race the engine at speeds from idling to 3,000 rpm for a total of 5 cycles.

NOTE:

Normally, the air fuel ratio is rich at racing.

To increase engine speed to 3,000 rpm, slowly depress accelerator pedal for approximately 5 seconds, and quickly release accelerator pedal to decrease engine speed.

QUESTION

Is the voltage less than 2.15 V?

Yes No