O2 sensor...
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New User
Joined: Nov 2003
Posts: 4
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O2 sensor...
I got a new exaust...straight pipes no cats, just straight back. Could this meke the O2 sensor not work properly and cause the check engine light come on??? Thanks in advance for your input!!! 
Lead Driver
Joined: Nov 2002
Posts: 9,555
Likes: 40
From: Concord, NC
I don't think it is very likely to cause problems. There's a chance it won't stay hot enough, but I don't know if that is fact or if that's what people claim. As long as the O2 sensor stays the same distance or closer to the engine, you should be ok.
Postmaster
Joined: Jan 2003
Posts: 4,417
Likes: 3
From: Durham, NC
The answer is yes to both of your questions........Just a bit of advice: All removing your CATs will do is cause problems like you are having, there is
NO BENEFIT in removing the CATs.......just my $0.02
NO BENEFIT in removing the CATs.......just my $0.02
Lead Driver
Joined: Nov 2002
Posts: 9,555
Likes: 40
From: Concord, NC
Pull the codes and see what comes up. Instructions can be found at http://fordfuelinjection.com if you need them.
