While Discussing EGR Systems with a Differential Pressure Feedback EGR

question 38

Multiple Choice

While discussing EGR systems with a differential pressure feedback EGR (DPFE) sensor, Technician A says the DPFE sensor sends a signal to the PCM in relation to intake manifold pressure. Technician B says the PCM can make corrections to the EGR flow if the actual flow does not match the desired flow. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Photosynthesis

The biological process that captures light energy and transforms it into the chemical energy of organic molecules (e.g., carbohydrates), which are manufactured from carbon dioxide and water.

Byproduct

A secondary or incidental product resulting from a manufacturing process, chemical reaction, or biological activity.

Glucose

A hexose aldehyde sugar that is central to many metabolic processes

Oxygen

A chemical element with the symbol O, necessary for the respiration of most living organisms and for combustion processes.