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technician a says that high cylinder pressures and temperatures produce nox. technician b says that egr reintroduces exhaust gas into engine cylinders to increase peak cylinder pressure and temperature. who is correct

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Answer: I would say answer 2

Explanation: The egr system takes some of the exhaust gasses and recirculates it back into the intake for maximum efficiency this also greatly increases cylinder temperature.

User Gerry Eng
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