Off Road H-Pipe but no MIL

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.
 

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
 

Forum statistics

Threads
78,531
Messages
1,535,677
Members
16,185
Latest member
dmen76

Members online

Top