EB-606 Emission Controls
Innovative Technologies in Education (ITE)
EB-606 Emission Controls
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Provides student study in the area of pollution, namely, hydrocarbons,
carbon monoxide, and nitrogen oxides. The actual vehicle systems
that control these emissions are accurately simulated to facilitate
troubleshooting. A pictorial on the student panel shows the air
and fuel management system and the controls used to minimize emission
levels and optimize the air/fuel ratio.
System components include:
Built-in digital multimeter
Evaporative emission control
Hand vacuum pump and meter
Hydrocarbons, carbon monoxide and nitrogen oxide monitoring meter
Air management system
Idle air control system
EGR system
Customer complaint lights
EFE
Air preheat and PCV valve
Twenty-five malfunctions are divided into the following categories:
engine faults, sensor faults, control faults, computer faults, and
assembly faults. ITE's Emission Control training simulator provides
a safe and reproducible environment for the experimentation and
troubleshooting exercises listed below.
Operation and function of internal combustion engine
Detection of open fuel pressure vacuum solenoid and evaporator emission
control solenoid
Understanding and measuring hydrocarbons, carbon monoxide and nitrogen
oxide emissions
Detection and repair of closed EGR valve, open EGR vent solenoid,
open ground EGR sensor, dirty EGR valve, and zero ECM of EGR vacuum
solenoid
Operation and function of manifold air injection
Detection and repair of bad, open or zero ECM signal in air switch
solenoid, air switch and bypass valves
Operation and function of three-way catalytic converter
Detection and repair of open EFE heater, heater relay coil and switch
Understanding stoichiometric air/fuel ratio
Detection and repair of open coolant sensor, idle air out coil,
and idle air ECM out
Experimentation in early fuel evaporation, idle air control, evaporative
emission control and fuel control
Detection and repair of blocked vacuum delay, stuck preheat and
PCV
Understanding air preheat systems, fuel control, exhaust-gas recirculation
Detection and repair of shorted injector solenoid and air temperature
sensor
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