Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 24, Problem 1MC
Which sensor is used for misfire monitoring on OBD II systems?
- Oxygen sensor
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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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- True or False? On some engines, if the gap between the crankshaft sensor and its trigger wheel is outside specifications, the sensor should be replaced.arrow_forwardA defective LAT sensor or circuit may cause the fol lowing problems, except. hard engine starting rich or lean air-fuel ratio improper converter clutch lockup reduced fuel economyarrow_forwardWhich of the following is the most likely cause of a lean condition during acceleration and cruising speeds? a. A defective oxygen sensor b. A defective PCM c. A defective ECT sensor d. A defective MAF sensorarrow_forward
- While discussing EI service and diagnosis: Technician A says that the crankshaft sensor may be rotated to adjust the basic ignition timing. Technician B says that the crankshaft sensor may be moved to adjust the clearance between the sensor and the rotating blades on some EI systems. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardTrue or False? Some crankshaft and camshaft timing sensors have a specified gap that must be set during installation.arrow_forwardTechnician A says that a faulty MAF sensor can cause the engine to run lean. Technician B says that a faulty MAP sensor can cause the engine to not start. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
- A digital speedometer constantly reads 0 mph: Technician A says that the problem may be the vehicle speed sensor. Technician B says that the problem may be the throttle position sensor. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhile discussing how to test a Hall-effect crankshaft position sensor: Technician A says that a logic probe can be used. Technician B says that a DMM can be used. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardWhich of the following is a likely cause of a lean condition during acceleration and cruising speeds? a. A defective oxygen sensor b. A defective PCM c. A defective ECT sensor d. A defective MAF sensorarrow_forward
- What is the name for the gas-filled pressure chamber that is part of the antilock braking system's pump and motor assembly? Control module Accumulator Sensor Reservoirarrow_forwardWhich of the following is the least likely cause of a no-start condition? Faulty CKP sensor Faulty KS Fuel or ignition system faults Faulty PCM wiringarrow_forwardA transmission has delayed upshifts under all operating conditions: Technician A says that low mainline pressure can cause this. Technician B says that a faulty TFT sensor can cause this. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
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