A compression test shows that one cylinder is too low. A leakage test on that cylinder shows that there is too much leakage. During the test, air could be heard coming from the tail pipe. Which of these could be the cause?

An engine miss is being diagonsed using a culinder leakage test.Technician A says that any clinder with over 20 percent leakage has excessiv leakage. Technician B says that air leaking from the tailpipe indicates a cracked cylincer head. Who is right?

The customer complains that the engine cranks but does not start; the first thing to check should be:

on an overhead cam (OHC) engine with removable bearing caps, which of the following is used is measure bearing alignment?

Technician A says that some head bolts stretch permanently when they are tight-ened. technician B says some head bolts cannot be reused. who is right?

A vehicle has heavy white smoke emitting from its tailpipe at all engine speeds. The cause of this problem is

A squeal is heard in the front of a supercharged V6 engine. This squeal gets louder as the engine is accelerated. Which of these is causing this condition?

Loose fly wheel bolts _____.

While cleaning a pleated paper-type air filter element, the air gun should be held:

A broken valve spring will result in which of the following symptoms?