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← ScienceWhich outcome occurs when the exhaust gas recirculation (EGR) valve malfunctions, impacting equilibrium?
A)Increased production of nitric oxides✓
B)Decreased manifold absolute pressure
C)Enhanced combustion temperatures achieved
D)Reduced fuel consumption overall attained
💡 Explanation
Malfunctioning EGR increases NOx output through the increased presence of oxygen. Higher temperatures from excess oxygen shift the equilibrium of NOx formation, because the system no longer sufficiently dilutes intake with inert exhaust; therefore, oxides of nitrogen increase, rather than diminishing.
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