Carbon Build- Up in Intake

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Carbon Build- Up in Intake

#12

01-22-2007, 11:12 PM

ForcedInduction

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Quote:

Originally Posted by gmaltz

but hopefully the EGR is in the open position to vent gas pressure out of the vavle cover.

The EGR has nothing to do with valve cover gasses. The carbon build-up is caused by oily crankcase gasses (from the valve cover) passing through the intake and combining with soot from the exhaust introduced into the intake through the EGR valve.

When the EGR is disabled by plugging the vacuum line, the exhaust soot will not be able to enter the intake to create the build-up.

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