What is the purpose of the PCM in a vehicle's emission control system? I - To monitor the oxygen sensor and adjust the fuel injection accordingly....
What is the purpose of the PCM in a vehicle's emission control system?
I - To monitor the oxygen sensor and adjust the fuel injection accordingly.
II - To monitor the catalytic converter and detect any malfunction.
III - To monitor the engine's ignition system and prevent excessive misfires.
IV - To monitor the fuel system and maintain the optimal air-to-fuel ratio.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only III and IV are correct.
d) Only I, II, and IV are correct.
e) All of the above are correct.
I - To monitor the oxygen sensor and adjust the fuel injection accordingly.
II - To monitor the catalytic converter and detect any malfunction.
III - To monitor the engine's ignition system and prevent excessive misfires.
IV - To monitor the fuel system and maintain the optimal air-to-fuel ratio.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only III and IV are correct.
d) Only I, II, and IV are correct.
e) All of the above are correct.
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Ed 
A função do PCM (Powertrain Control Module) no sistema de controle de emissões de um veículo é monitorar o sistema de ignição do motor e prevenir excesso de falhas de ignição. Portanto, a alternativa correta é a letra c) Only III and IV are correct.
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