drewp29 Posted December 26, 2012 Share Posted December 26, 2012 Disconnect your MAF and see if it still has problems. The plugs shouldn't make THAT much difference in fuel mileage. I agree, NGK work the best with Nissans, but you shouldn't see a crazy change with the Bosch plugs. A failing MAF can cause issues with starting, idle, and low RPM driving. Just disconnect it and see what happens. Link to comment Share on other sites More sharing options...
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