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Re: GM P0401 ' EGR SYSTEM FLOW INSUFFICIENT' QUESTION
Posted to Technical Discussion Forum on 3/1/2007 2 Replies

Dan,

I could be wrong, but I think load is still a factor. Perhaps James can validate this.

Graph the MAP and use the vacuum gauge tomorrow.

One thing, Dan. Please post back and let us know what the fix is. So many of the guys on the network ask question... Login to read more.

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