AUTOMATIC TRANS...-CLASSRM.+SHOP MANUAL
7th Edition
ISBN: 9781337792158
Author: ERJAVEC
Publisher: CENGAGE L
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Textbook Question
Chapter 33, Problem 9ASRQ
While diagnosing the cause of high HC and O2 emissions: Technician A says that the HC may be elevated because of an ignition problem. Technician B says that the O2 may be elevated because of an ignition problem. Who is correct?
a. Technician A only
b. Technician B only
c. Both A and B
d. Neither A nor B
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Chapter 33 Solutions
AUTOMATIC TRANS...-CLASSRM.+SHOP MANUAL
Ch. 33 - Explain why a small PCV valve opening is adequate...Ch. 33 - At what temperature do nitrogen atoms combine with...Ch. 33 - Describe the operation of a digital EGR valve.Ch. 33 - Name the three types of emissions being controlled...Ch. 33 - The PCV system prevents from escaping to the...Ch. 33 - In a negative backpressure EGR valve, if the...Ch. 33 - Describe how a selective catalytic reduction...Ch. 33 - HC emissions may come from the tailpipe or...Ch. 33 - What types of catalyst are typically used to...Ch. 33 - Why is a PCV system critical to an engines...
Ch. 33 - What is a catalyst?Ch. 33 - Rather then rely on the AIR system for extra...Ch. 33 - Why do the EGR systems on many late-model diesel...Ch. 33 - Which of the following systems is designed to...Ch. 33 - Which of the following statements about carbon...Ch. 33 - While discussing PCV valve operation: Technician A...Ch. 33 - While discussing EGR systems with a differential...Ch. 33 - While discussing evaporative (EVAP) systems:...Ch. 33 - Technician A says that an EGR valve that is stuck...Ch. 33 - While discussing SCR systems: Technician A says...Ch. 33 - While discussing automotive emissions: Technician...Ch. 33 - Technician A says that during oxidation, as NOx...Ch. 33 - While discussing PCV systems without a PCV valve:...Ch. 33 - While diagnosing the cause of high HC and O2...Ch. 33 - While discussing electric exhaust gas...
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