A high mileage engine has a knocking sound that goes away as it warms and reaches operating temperature. Which of these is MOST likely causing this noise?

A turbocharged engine emits blue-gray exhaust. Which of the following would result in this condition?

A vehicle's engine is slow cranking. Which of the following should the technician check first?

A vehicle with a new fully charged battery continues to discharge overnight. A battery state of charge test indicates 9.2 volts the next morning. Which test is used to diagnose this condition?

Technician A says to use a cylinder bore gauge to measure the cylinder's bore for excessive taper. Technician B says to measure the cylinder's bore for an out of round condition before installing new pistons. Who is correct?

When replacing connecting rod bearings in an engine

The diagnosis of an engine knock requires a road test. The technician should include on the work order the mileage out and the mileage in to show that the:

A V-6 engine is overheating and has heavy white smoke from the tail pipe. Which of these could be the cause?

In the intake stroke, the piston pulls in ?

The exhaust stroke, pushes out the spent gases by opening up?

The most common type of camshaft drive on camshaft-in-block engines is the timing ______

The _____ is a heavy hub mounted on a rubber ring and keyed to the crankshaft snout.

Technician A says timing marks are not necessary when a timing belt is used. Technician B says that timing marks are unnecessary only with timing gears. Who is right?

Which component is not a part of the engine front end assembly?

The timing belt cover is different from the engine front cover.

A_________is used to prevent timing belt slack.

A chain guide may be needed to prevent chain slap.

The cogged teeth on a timing belt prevent slippage.

To take up the slack in a timing chain, a tensioner is used

A timing belt may also be used to drive the ________ .

What is a timing belt cover normally made of?

What is the term used for the period where both intake and exhaust valves are open at the same time?

How many degrees does the crankshaft turn in one complete engine cycle? (4 stroke)

Overhead cam engines timing chains may use ______tensioners

Timing belt service intervals are critical on many engines because

An engine emits blue smoke for a few seconds when starting cold; the MOST likely cause is

When replacing a cylinder head gasket, which type of head bolts should allows be replaced?

What is a micrometer used for?

Which of the following is not part of a connecting rod

What is this part called

What direction is the piston traveling during the Power-Stroke?

Technician A says that the engine should be cleaned before checking for oil leaks. Technician B says that a florescent dye should be added to the engine oil when checking leaks with a black light. Who is correct?

What type of engine block is shown in the picture?

What type of engine is shown in the picture?

All of the following are part of the 4 cycles/strokes of an engine EXCEPT:

During the Power cycle:

What tool are use when tighten cylinder head bolt?

The _____ is a heavy hub mounted on a rubber ring and keyed to the crankshaft snout.

2 techs are inspecting a vehicles cylinder head. Technician A says that the illustrated procedure checks cylinder deck height. Technician B says that the illustrated procedure checks for cylinder head warpage. Who is correct?

Which of these is a typical connecting rod bearing oil clearance?

Technician A says that measurement Y is the valve spring installed height. Technician B says that measurement X will decrease as a result of grinding the valve seat. Who is correct

Tech A says that oil pressure should increase when engine RPM is increased. Tech B says that lines or hash marks on top of a bolt indicate length. Who is correct?

Engine oil pressure should be tested:

What is being measured in this picture

Tech A says that an overhead cam engine (OHC) has the camshaft mounted in the cylinder head. Tech B says that an engine's lubrication system helps cool engine parts. Who is correct?

Valve stem seals prevent which of these from leaking into the cylinder?

Functions of motor oil include which of the following

Technician A says that a torque-angle tightening method should be used on torque-to-yield bolts. Tech B says you can reuse torque-to-yield bolts if you oil them. Who is correct?

Low oil pressure can be the result of

A typical interference angle would find the valve faced at an angle of ____________degree(s) less than the seat angle