What causes the nitrogen and oxygen in the air to combine and form NOx?
A) Heat above 2,500 F (1,370 C)
B) Any spark will cause this to occur
C) Chemical reaction in the catalytic converter
D) Sunlight
Correct Answer:
Verified
Q2: Exhaust gas recirculation (EGR) is generally not
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Q4: EGR is used to control which exhaust
Q5: A typical EGR pintle-position sensor is what
Q6: OBD-II regulations require that the EGR system
Q7: Blocking off the EGR valve passages will
Q8: Manually opening an EGR valve with a
Q9: When testing an EGR system for proper
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Q11: The following statements are all correct EXCEPT
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