C Cgraf New member Joined Mar 13, 2010 Messages 1 Mar 13, 2010 #1 i just put in a k&n air filter and a magna flo muffler system in my 08 F-350 and after two days my check engine light came on. this happen to anyone else yet
i just put in a k&n air filter and a magna flo muffler system in my 08 F-350 and after two days my check engine light came on. this happen to anyone else yet
S sagebrush assas New member Joined Mar 12, 2010 Messages 3 Mar 13, 2010 #2 I would say MAF sensor from the K&N
