EGR Monitors Are Being Discussed

question 12

Multiple Choice

EGR monitors are being discussed. Technician A says some EGR system monitors EGR flow by measuring the difference in pressure as the EGR gas flows through an orifice (restriction) . Technician B says some EGR monitors measure the temperature of the EGR outlet to determine whether there is gas flowing through the EGR valve. Who is correct?

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

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