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alfadriver
alfadriver GRM+ Memberand MegaDork
1/17/18 7:03 p.m.

In reply to Streetwiseguy :

I can assure you that the front sensor sees all 4 cyl. Lots of work around that engine was done. Moving the front sensor down won’t do much. 

Streetwiseguy
Streetwiseguy UltimaDork
1/17/18 7:13 p.m.

In reply to alfadriver :

The Sentra header often has a fitting in one pipe, and it needs to be moved down.  Often when you have a cat in the manifold, they build the aftermarket header wrong for B1S1 placement.

alfadriver
alfadriver GRM+ Memberand MegaDork
1/17/18 7:14 p.m.

In reply to Streetwiseguy :

The 2005 focus didn’t suffer for that problem. 

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