Some systems also have a ________ sensor between the throttle body and the air cleaner.
A) Throttle position sensor (TPS) B) Mass airflow (MAF)
C) Air temperature D) Exhaust gas sensor (EGS)
Question 2
Technician A says that exhaust manifolds can be made from plastic or stainless steel. Technician B says that many intake manifolds have an EGR valve that regulates the amount of recirculated exhaust that enters the engine in order to increase NOx emissions. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
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