A) Increased MAP sensor voltage
B) Increased calculated load
C) Increased idle speed
D) All of these are correct.
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D
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A) 5 or less
B) 15
C) 30 or more
D) 25
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A) Decreased resistance
B) Voltage drop
C) Diode ripple
D) Voltage spike
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D
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A) Long term fuel trim
B) Idle air counts
C) Short term fuel trim
D) All of these
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A) Fuel systems that have never been cleaned may have developed wax deposits as well as carbon
B) On engines operating very poorly, the PCM should be relearned after fuel system cleaning
C) The fuel rail and pressure regulator should be cleaned as well as fuel injectors
D) Relearning the PCM should never be attempted
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A) Fuel injectors on a gang fire system are wired in series
B) Lower than specified injector resistance means the injector is shorted
C) The resistance of a group of injectors that fire at the same time can be tested together
D) None of these
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A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
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C
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A) Injector pressure drop
B) Injector voltage drop
C) Injector temperature
D) Injector resistance
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