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What is the egr?

Updated: 10/21/2022
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15y ago

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The EGR, or Exhaust Gas Recirculation Valve, is contained in the circuit on an internal combustion engine, is in place as an emissions reducing device. Exhaust gasses are routed back into the engine intake to be reburned, thereby reducing unburned hydrocarbon and noxious gas emissions. The system turns on and off at certain times, deemed critical by the engine manufacturer and the federal government mandates.

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