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ittlfly · 07-21-2009

ie: If there was a vacuum leak, the exhaust gases would be scewed to the lean side. The O2's would report that condition to the ECM which in turn would fatten up the A/F mixture causing a rich condition.

07-21-2009	#5
ittlfly Join Date: Jul 2009 Location: Redding Calif Posts: 223	Re: Pulled the plenum, now what? ie: If there was a vacuum leak, the exhaust gases would be scewed to the lean side. The O2's would report that condition to the ECM which in turn would fatten up the A/F mixture causing a rich condition.