Excessively High CO Emissions May Be Caused by a ______

Q32: If the engine stalls at idle when

Q33: When the engine is running at peak

Q34: A dirty air filter may cause lower

Q35: What happens if a PCV valve is

Q36: Identify the two causes of lower than

Q38: A scan tool can be used to

Q39: To monitor the vapor purge in most

Q40: An alternative to the I/M 240 test

Q41: Identify the causes of high HC emissions.

Q42: A vehicle is in the shop because