Exhaust passages are included in some intake manifolds. Technician A says that the exhaust passages are used for exhaust gas recirculation (EGR) systems. Technician B says that the exhaust heat is used to warm the intake charge on some engines equipped with a throttle-body-type fuel-injection system. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
The SAI system is used to reduce which exhaust emission?
A) HC B) CO C) NOx D) Both A and B
Elementary particles included in the Standard Model
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...
Badly burned exhaust valve. A compression test could have detected a problem, and a cylinder ...
The lower intake manifold attaches to the cylinder heads.
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
A conventional zirconia oxygen sensor can only reset to exhaust mixtures that are richer or leaner ...