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Re: Re: EGR ValvePosted by dieseltruk on November 05, 2002 at 17:07:55 from (66.167.193.75): In Reply to: Re: EGR Valve posted by John Ne on November 04, 2002 at 17:22:23:
You may experience some light spark knock. The EGR valve recirculates exhaust gas into the cylinders, thus lowering the cylinder burn temp and lowering NOX out the exhaust. The higher cylinder temps may require backing down the timing a couple degrees to remedy the spark knock.
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