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Posts Tagged: Exhaust Gas Recirculation (EGR) Monitor

EGR Readiness Monitor — How it works

Learn How the EGR Readiness Monitor Works The Exhaust Gas Recirculation (EGR) system reduces the formation of Oxides of Nitrogen during combustion by keeping combustion temperatures below 2500°F. The EGR system accomplishes the heat reduction by recirculating a small amounts of exhaust gas back into the intake manifold at cruising speeds, where it is mixed with the incoming air/fuel mixture. The EGR readiness monitor detects if the EGR system is operating properly and sets a trouble code if it doesn’t see the expected exhaust flow. The EGR reduces combustion temperatures … Read More


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