Code Enable Criteria

Conditions for running DTC:

• PCM performs this DTC diagnostic continuously.
• DTCs P0251, P0335 or P0370 are not set.
• Engine speed has not changed more than 56 RPM for 5 seconds.

Conditions for setting DTC:

• A 5-degree difference between actual injector time and desired injector time.
• All diagnostic set conditions are met for 2 seconds.