| CHECK FRONT OXYGEN (A/F) SENSOR DATA. |
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1) Race the engine at speeds from idling to 3,000 rpm for a total of 5 cycles. 2) Read the data of front oxygen (A/F) sensor signal at racing using Subaru Select Monitor or general scan tool. 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 | |
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Is the voltage 1.1 V or more? | |
| Yes | No |
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