BigDaddyChris.com Posted June 16, 2011 Author Share Posted June 16, 2011 Can you isolate it to one cylinder? Do a power balance test by pulling a plug wire(or injector connector) while its running. Be careful not to get shocked. If one cylinder has no/little change, focus on things for that cylinder(spark plug, wire, injector, vac leaks, ect). actually thats where we started. My grandpa taught me that a long time ago with my nissan 200sx which had 8 spark plugs. he was showing me how, nothing was changing, then he was like, "OH! theres 2 plugs per cylinder!" pulled both plugs, one cylinder at a time and the furthest one made no change at all. turned out to be a bad injector. easy fix! the pathfinder however changes drastically when each plug is pulled. so its an across the board sputter that is not isolated to only one cylinder. Link to comment Share on other sites More sharing options...
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