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Author Question: A P0401 DTC (exhaust gas recirculation flow insufficient) is being discussed. Technician A says that ... (Read 66 times)

RYAN BANYAN

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on: Aug 13, 2021
A P0401 DTC (exhaust gas recirculation flow insufficient) is being discussed. Technician A says that a defective EGR valve could be the cause. Technician B says that clogged EGR passages could be the cause. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B


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Marked as best answer by RYAN BANYAN on Aug 13, 2021

Missbam101

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Reply #1 on: Aug 13, 2021
Both technicians A and B


RYAN BANYAN

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Reply 2 on: Aug 13, 2021
Excellent

bblaney

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Reply 3 on: Yesterday
Wow, this really help

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