Check engine light is on

UKStangGT

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Hi, I have a Jap spec 4.6GT 2v, recently fitted a Magnaflow catted Tru-flow X-Pipe, to match up to the Magnaflow system already fitted, I also have a Bomz CAI, Now the check engine light is on, I had a diagnostic reading done, It had 1 code indicating It is running a bit lean, I was advised to Buy a tune for it or replace injectors for bigger ones, the original front pipes had 6 cats with 2 O2 sensors at the front by the headers & 2 cat heater probes in the first cats, Can anyone help with this problem? :BangHead:
 

1996mustangGT

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With the modifications you have in you signature you really shouldnt need to get larger injectors.

Do you have MIL eliminators for the back two O2 sensors? If not that might be part of the problem...if not then getting a tuner and giving it a really small % more fuel would probably help.
 

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