Engine Mechanical Testing

Front

Cylinder leakage is measured when the piston is at __________.

Back

TDC

Front

When performing a cranking compression test, the readings between cylinders should be _____________.

Back

10% - 15%

Front

A coolant leak would emit _____________ smoke from the exhaust.

Back

white

Front

An engine has a fast cranking sound, what could possibly be the issue?

Back

broken timing belt or timing chain

Front

During a vacuum test on an engine, a technician gets a low, but steady reading. What could be a potential issue?

Back

late ignition timing

Front

The amount of vacuum in an engine depends on: Piston rings, valves, ignition timing, all of the above

Back

all of the above

Front

In a 4 cylinder engine, cylinders #2 and #3 are reading very low. What could be the issue?

Back

Failed Head gasket

Front

During a cylinder leakage test, air can be heard escaping from the tailpipe. What could cause this?

Back

Exhaust valve seat failure

Front

What kind of issue could be found in a WET compression test?

Back

Worn piston ring

Front

The Unit of measure for a compression tester or cylinder leakage tester is:

Back

both psi and kPa