Aug 9, 2009 #1 9 97ponygt Active Member Joined Oct 17, 2008 Messages 848 Reaction score 15 About a month ago I put a off road H-Pipe on the stang. Since that time I haven't throw a code due to there being to cats. The only MIL I've thrown was one stating that it was running lean. Whats up with that? Any help is appreciated.
About a month ago I put a off road H-Pipe on the stang. Since that time I haven't throw a code due to there being to cats. The only MIL I've thrown was one stating that it was running lean. Whats up with that? Any help is appreciated.
Aug 9, 2009 #2 D3VST8R96GT Well-Known Member Joined Feb 19, 2009 Messages 3,986 Reaction score 112 Location Marble Fall, AZ i have mil eliminators .....and i still throw codes ....and it says im running lean but im really running rich
i have mil eliminators .....and i still throw codes ....and it says im running lean but im really running rich
Aug 9, 2009 #3 duff daddy Legend Joined Jun 29, 2008 Messages 8,213 Reaction score 22 Location Boston you could have had a tune on your car and the tuner turn your rear o2's off... such as i did with my car
you could have had a tune on your car and the tuner turn your rear o2's off... such as i did with my car
Aug 9, 2009 #4 A AaRoN King Post Whore Joined Sep 12, 2006 Messages 33,892 Reaction score 57 Location Orlando, Florida, United States Sometimes you get a MIL when you delete the cats and sometimes you don't.