Failure Conditions
PCM turns off EGR system for 5 seconds. PCM monitors rear short term fuel trim for a change. Rear short term fuel trim change less than 14 counts; increment counter. Counter reaches 3; Code P048 set.
PCM turns off EGR system for 5 seconds. PCM monitors rear short term fuel trim for a change. Rear short term fuel trim change less than 14 counts; increment counter. Counter reaches 3; Code P048 set.