Question
While servicing a vehicle, you retrieve the diagnostic code P0401, EGR (exhaust gas recirculation) flow insufficient. Which of these is the most likely cause? A.
While servicing a vehicle, you retrieve the diagnostic code P0401, "EGR (exhaust gas recirculation) flow insufficient." Which of these is the most likely cause?
A. Electrical wiring shorted to voltage
B. Stuck-open EGR valve
C. Clogged EGR ports or passages
D. Electrical wiring shorted to ground2. Oxides of nitrogen (NOx) contribute to the formation of
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Thermodynamics An Engineering Approach
Authors: Yunus A. Cengel, Michael A. Boles
8th edition
73398179, 978-0073398174
