Headers on & Fail Smog test
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Junior Member
Joined: Mar 2001
Posts: 6
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From: Mission Viejo Ca.
Headers on & Fail Smog test
Ackkk!!! I put a set of shorty headers on my 86 f150 302. I replaced every smog related valve and sensor. The guy at the smog shop says since I put on the headers I changed the dynamics of the fuel/air mixture. Ill buy that.. How do i correct that setting on a Injection system? anyone !! Thanks in advance..
CREEK
CREEK