A Nissan vehicle is being checked using a scan tool and Alpha is 107. This means ________.

Name: A Nissan vehicle is being checked using a scan tool and Alpha is 107. This means ________.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Alpha value above 100 indicates that the PCM is adding fuel, which is necessary when the engine is running lean. This could be due to a vacuum leak or a malfunctioning sensor. The PCM adjusts the fuel trim to bring the air-fuel ratio back to the optimum level.

A Nissan Vehicle Is Being Checked Using a Scan Tool