Review questions on engine design
Intake
Compression
Power
Exhaust
Intake
Compression
Power
Exhaust
Intake
Compression
Power
Exhaust
Intake
Compression
Power
Exhaust
Intake
Compression
Power
Exhaust
Intake
Compression
Ignition
Exhaust
One
Two
Three
Four
A only
B only
Both A and B
Neither A nor B
Restricted exhaust system
Uneven compression
Weak ignition spark
Vacuum leak
2 to 5 inches
At least 100 psi
15 to 22 inches
No more than 20%
A only
B only
Both A and B
Neither A nor B
2 to 5 inches
At least 100 psi
15 to 22 inches
No more than 20%
The engine has leaking valves
The engine test results are normal
The engine has worn piston rings
The engine has a worn camshaft
2 to 5 inches
At least 100 psi
15 to 22 inches
No more than 20%
A only
B only
Both A and B
Neither A nor B
Intake valve not opening
Leaking head gasket
Leaking intake valve
Worn piston rings
Disable the ignition system
Hold the throttle wide open
Charge the battery
Warm up the engine if possible
Vacuum test
Compression test
Cylinder leakage test
Test the cooling system for combustion gasses (chemical or exhaust analyzer)
Vacuum test
Compression test
Cylinder leakage test
Lubricating system gas analysis
Normal fuel injector noise
Minor exhaust leaks near the engine
Certain emission control devices cycling on and off
All of the above