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Old 05-15-2015, 02:20 PM   #6 (permalink)
UFO
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Join Date: Sep 2010
Location: Denver, CO
Posts: 1,300

Colorado - '17 Chevrolet Colorado 4x4 LT
90 day: 23.07 mpg (US)
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Keep your EGR connected. At least my VW TDI has an EGR cooler which warms the coolant. But I don't use it because it clogs the intake with oily soot.
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