engine light on

madstyle1

New Member
Jul 10, 2004
21
0
0
my check engine light came on, after i put my plenum and throttle body. I have an accufab plenum, and whenever I plug in the predator it says I had a misfire. but when i put my stock plenum back engine light never came on anymore. can any one help me out? Has this ever happen to anyone before?