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Author Question: Technician A says excessive oxides of nitrogen (NOx) exhaust emissions are usually created a lack of ... (Read 82 times)

bobbie

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Technician A says excessive oxides of nitrogen (NOx) exhaust emissions are usually created a lack of the proper amount of exhaust gas recirculation (EGR).  Technician B says excessive hydrocarbon (HC) exhaust emissions are created by a lack of proper combustion such as a fault in the ignition system, too rich an air-fuel mixture.  Who is right?
◦ Technician A
◦ Technician B
◦ Both technicians
◦ Neither technician


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Marked as best answer by bobbie on Nov 30, 2019

momo1250

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bobbie

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Reply 2 on: Nov 30, 2019
Gracias!


parshano

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Reply 3 on: Yesterday
Wow, this really help

 

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