lundi 26 janvier 2015

Gas Mileage way down after IM gasket replacement?

I replaced my Intake Manifold Gasket along with some other gaskets and O-rings.



About a week or two before this I replaced all the plugs and was consistently getting about 24 mpg



After the IM Gasket replacement...Im getting 17 mpg?



That a big jump.



I double checked the Fuel Injectors...they seem to be seated properly and I dont see any leaks. I cant see the where the fuel line connects to the metal fuel rail...its behind the Intake Manifold...but I dont 'feel' any wetness or leaks back there either.



Any ideas what maybe going on? Does the car need to run for a couple hundred miles before the DME resets or something?




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