Forum Discussion
Rolin
Nov 26, 2014Explorer
Put a K&N on my 2 year old ford f150. Straight out of the box...assume that K&N oiled it correctly. Did not see any improvement is mpg or in performance. Liked the sound though. Pickup was a daily driver and used to pull a travel trailer.
In about 4000 miles it would hardly run. Had to have it towed to the Ford garage. MASS air flow sensor replaced for $$$$. Found later that I could have cleaned it but didn't know what the problem was. Took the K&N off and tossed it. After that I drove the f150 for 50k miles with no problems.
If you are mechanically inclined you can clean the oil off of the MASS. I didn't find any benefit to using the K&N and standard filters are not that expensive.
Your experience may be different...
In about 4000 miles it would hardly run. Had to have it towed to the Ford garage. MASS air flow sensor replaced for $$$$. Found later that I could have cleaned it but didn't know what the problem was. Took the K&N off and tossed it. After that I drove the f150 for 50k miles with no problems.
If you are mechanically inclined you can clean the oil off of the MASS. I didn't find any benefit to using the K&N and standard filters are not that expensive.
Your experience may be different...
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