ASE Practice Test A8
Engine Performance
General Engine Diagnosis
1) Which of the following should be the first step in diagnosing an engine performance
concern?
a. Discussing concern with the vehicle owner
b. Retrieve diagnostic trouble codes
c. Check for symptoms in the online service manual
d. Road test the vehicle
2) Using a diagnostic strategy for a drivability concern, which of the following is generally
the last step in that process?
a. Checking vehicle history
b. Verifying repair
c. Doing service checks
d. Verifying concern
3) Technician A says paper service manuals are still used in today’s service world.
Technician B says to follow the recommended service procedures contained in the online
service information. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
4) When looking for specific service information, what vehicle information is needed to
locate the information?
a. Vehicle VIN
b. Vehicle build date
c. Model year
d. Make, model and year
Ignition Systems Diagnosis and Repair
5) A NO START condition is being diagnosed on a vehicle with electronic fuel injection
(EFI) and distributorless ignition. Technician A says you should only use a DMM
(Digital Multimeter) to check voltage values on PCM (Powertrain Control Module).
Technician B says you should use a tool to check for spark at one of the spark plugs.
Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
