Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 24, Problem 5SA
Describe how engine misfire is detected in an OBD II system.
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b. Technician B only
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Chapter 24 Solutions
Automotive Technology
Ch. 24 - Describe the difference between an open- and a...Ch. 24 - Explain the use and importance of system strategy...Ch. 24 - Describe an OBD II warm-up cycle.Ch. 24 - Explain the trip and drive cycle in an OBD II...Ch. 24 - Describe how engine misfire is detected in an OBD...Ch. 24 - Describe the purpose of having both upstream and...Ch. 24 - Briefly describe the monitors in an OBD II system.Ch. 24 - Type B engine misfires are excessive if the...Ch. 24 - The monitor system checks the action of the can...Ch. 24 - The monitor system has a(n) and test to check the...
Ch. 24 - The fuel monitor checks fuel trim and fuel trim.Ch. 24 - Which sensor is used for misfire monitoring on OBD...Ch. 24 - Which of the following statements is not true?...Ch. 24 - A computer is capable of doing all of the...Ch. 24 - Which of the following memory circuits is used to...Ch. 24 - Technician A says that the oxygen sensor provides...Ch. 24 - While discussing OBD II systems: Technician A says...Ch. 24 - While discussing the catalyst efficiency monitor:...Ch. 24 - While discussing monitoring systems: Technician A...Ch. 24 - While discussing the comprehensive monitoring...Ch. 24 - Prob. 6ASRQCh. 24 - While discussing diagnostic procedures: Technician...Ch. 24 - Technician A says that the enable criteria are the...Ch. 24 - While discussing PCM monitor tests: Technician A...Ch. 24 - While discussing the misfire monitor: Technician A...
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- While discussing EGR systems with a differentialpressure feedback electronic (DPFE) sensor: TechnicianA says that the DPFE sensor sends a signal to thePCM in relation to intake manifold pressure. TechnicianB says that the PCM corrects the EGR flow if theactual flow does not match the requested flow. Who iscorrect?a. Technician A onlyb. Technician B onlyc. Both A and Bd. Neither A nor Barrow_forwardExplain how the computer controls the air-fuel ratio on an EFI system.arrow_forward.What are the different inputs to the ECM/PCM to control the duty cycle of aVariable Valve Timing (VVT) system.arrow_forward
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