Technician A says that since the introduction of EGR on diesel engines, OEMs have greatly extended recommended oil change intervals. Technician B says that CJ-4 engine lubes are designed for DPF engines but are not effective when used on EGR equipped engines. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: D
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Technician A says when the timing is advanced, the idle will be high. Technician B says to check connecting rod side clearance with an inside micrometer. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
Which of the following procedures would be the correct method of recalibrating fuel output from one pump element on a port-helix metering injection pump?
A. rotating the barrel B. shimming the barrel flange C. advancing port closure timing D. increasing the charging pressure
A gas can be a vapor, steam, or air from the atmosphere.
Answer the following statement true (T) or false (F)
In a split beam optical gas analyzer, the intensity of its output signal __________ if the light strikes the sample detector decreases.
A. increases B. decreases