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Q: What is an EGR valve? – Stephanie
A: Dear Stephanie,
An exhaust gas recirculation (EGR) valve has two important functions. It reduces harmful pollutants, and it boosts fuel efficiency. The EGR valve recirculates a portion of your exhaust to be burned again in the engine. This results in a cooler, more complete consumption of fuel. Visit Tire Pros of Frederick for more auto repair tips.
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