While Discussing EGR Systems with a Differential Pressure Feedback EGR

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

Correct Answer:

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