Exam 8: Engine and Misfire Diagnosis
Exam 1: The Diagnostic Process28 Questions
Exam 2: Gasoline, Alternative Fuels, and Diesel Fuels26 Questions
Exam 3: Circuit Testers and Digital Meters24 Questions
Exam 4: Oscilloscopes and Dsos15 Questions
Exam 5: Engine Systems26 Questions
Exam 6: In-Vehicle Engine Service24 Questions
Exam 7: Valve Train and Variable Valve Timing Diagnosis25 Questions
Exam 8: Engine and Misfire Diagnosis37 Questions
Exam 9: Can and Network Communications14 Questions
Exam 10: Onboard Diagnosis17 Questions
Exam 11: Global Obd Ii and Mode 0623 Questions
Exam 12: Immobilizer Systems23 Questions
Exam 13: Starting and Charging System Diagnosis16 Questions
Exam 14: Ignition System Operation and Diagnosis20 Questions
Exam 15: Temperature Sensors13 Questions
Exam 16: Throttle Position Tp Sensors11 Questions
Exam 17: Map and Maf Sensors19 Questions
Exam 18: Electronic Throttle Control Systems14 Questions
Exam 19: Oxygen Sensors20 Questions
Exam 20: Fuel Trim Diagnosis22 Questions
Exam 21: Fuel Pumps, Lines, and Filters12 Questions
Exam 22: Fuel-Injection Components and Operation24 Questions
Exam 23: Gasoline Direct-Injection Systems22 Questions
Exam 24: Fuel-Injection System Diagnosis and Service18 Questions
Exam 25: Electronic Transmission Controls27 Questions
Exam 26: Vehicle Emissions Standards and Testing13 Questions
Exam 27: Emission Control Devices Operation and Diagnosis36 Questions
Exam 28: Module Reprogramming19 Questions
Exam 29: Symptom-Based Diagnosis21 Questions
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Which of the following is LEAST likely to create a rattle sound?
(Multiple Choice)
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Technician A says a low but steady idle vacuum reading indicates a sticking valve. Technician B says a fluctuating vacuum gauge reading indicates incorrect ignition timing. Which technician is correct?
(Multiple Choice)
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Which of the following is NOT likely to be an engine mechanical fault?
(Multiple Choice)
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Exhaust back pressure of an engine running at idle should be ________.
(Multiple Choice)
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When preparing for a compression test, technician A disables the ignition system. Technician B only removes the spark plug for the cylinder he is testing. Which technician is correct?
(Multiple Choice)
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How could a technician pinpoint a noise made by a defective rod bearing?
(Multiple Choice)
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Technician A says low oil pressure causes engine wear. Technician B says engine wear can cause low oil pressure. Which technician is correct?
(Multiple Choice)
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Engine oil pressure is being measured. A good engine should be able to produce how much oil pressure?
(Multiple Choice)
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A cylinder power balance test is performed. Cylinders 1, 2, and 3, all drop 175 RPM when disabled with a scan tool. Cylinder 4 drops 50 RPM when disabled. The following statements are all correct EXCEPT ________.
(Multiple Choice)
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A good engine should produce how much compression during a running (dynamic) compression test?
(Multiple Choice)
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A cylinder contribution test is performed using a ________.
(Multiple Choice)
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