While having a discussion, Technician A says that a stuck lifter plunger can sometimes be freed using an oil additive. Technician B says that it can sometimes be freed up by spraying fuel system spray cleaner down a hollow pushrod oil channel. Who is correct?

Question

Quizplus · Accepted Answer

Both techniques can sometimes free a stuck lifter plunger. Oil additives can help clean and lubricate the lifter, potentially freeing it. Similarly, using a fuel system cleaner through a hollow pushrod oil channel can help remove sludge or debris that may be causing the plunger to stick.

While Having a Discussion, Technician a Says That a Stuck