Engineering, 20.10.2020 20:01 latinotimo7643

two technicians are discussing catalytic converters technician a says that the exhaust mixture must fluctuate between rich and lean mixture for the best l efficiently technician b says that the air fuel mixture must be leaner than 14:7:1 for best performance from a three way catalytic converter who is correct

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two technicians are discussing catalytic converters technician a says that the exhaust mixture must...