Worksheets8B Quiz 7
Total questions: 4
Worksheet time: 2mins
Technician A says that excessive combustion chamber deposits could cause high NOx emissions. Technician B says that excessive combustion chamber deposits could also cause excessive CO2emissions. Who is correct?
Tech A
Tech B
Neither
Both
While testing the function of the exhaust gas recirculation (EGR) system, what should be noticed when the EGR valve is opened with the key on and the engine running (KOER)?
Increased engine speed
Black exhaust smoke
Lowered O2sensor readings
Rough or unstable idle
A throttle position sensor (TPS) is suspected of causing a hesitation. Which of the following tools would LEAST LIKELY be used to test the TPS?
Test light
Voltmeter
Oscilloscope
Ohmmeter
Technician A says that a misfiring cylinder due to a fouled spark plug will increase HC emissions. Technician B says that the fouled plug will increase O2 levels. Who is correct?
A Only
B Only
Both
Neither
