no cat/engine light.
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New Member
Joined: May 2012
Posts: 13
Likes: 0
From: Clearfield, Pa
no cat/engine light.
Ok i have a 99 360, has a cat but its punched out for a 4 inch straight exhaust it dosnt happen very ofter but i throw the check engine light, knew i would by doing this and we dont have emissions test where i live so,
could i use an o2 sim or a non fouler???. would that stop the light and make my truck run the way it should.
could i use an o2 sim or a non fouler???. would that stop the light and make my truck run the way it should.
Record Breaker
Joined: Aug 2010
Posts: 2,241
Likes: 12
From: Ohio
Get two non-foulers (18mm) and drill one out. Install non-drilled into bung in exhaust. Install drilled one. Install O2 sensor. Shiuld be good.
Theres a DIY in the faq/diy section for more specific instructions.
Theres a DIY in the faq/diy section for more specific instructions.