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

Trades & Technology

You might also like to view...

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

Trades & Technology

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

Trades & Technology

A gas can be a vapor, steam, or air from the atmosphere.

Answer the following statement true (T) or false (F)

Trades & Technology

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

Trades & Technology