Two technicians are discussing the testing of a catalytic converter. Technician A says that a vacuum gauge can be used and observed to see if the vacuum drops with the engine at idle for 30 seconds. Technician B says that a pressure gauge can be used to check for backpressure. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
EGR systems ________.
A) Are used on all vehicles B) Reduce NOx emissions
C) Both A and B D) Neither A nor B
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
With a three-way catalytic converter, emission control is most efficient with an air–fuel ratio ...
(a) As an engine is accelerated under a load, the engine vacuum drops. This drop in vacuum is ...
A typical catalytic converter with a monolithic substrate.
Testing motor function of cranial nerve VII - Show teeth
Testing the strength of the facial muscles