Turning oxygen sensors off in a sct tune ? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 4 Old 08-31-2006, 10:20 PM Thread Starter
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Turning oxygen sensors off in a sct tune ?

I was just wondering if it may cause a little bit of a miss during a light load. I have been struggling with this miss for a while now and i am out of options. It just feels like a dead miss at low rpms and under load until its on the floor. Its fine after that. Just wondering if this could be a tune issue or if the 02s being turned off could cause a rich or lean condition under part throttle. thanx for the info. Kevin


93 gt 352 ci 302 based alum rdi block,bryant billitt crank, je pistons,Bullet racing ots hr cam, linkbar lifters,tfs r heads,super victor efi,42lb injectors, abaco 97dbx meter, 90 mm accufab tb, jesel shaft mount 1.7 rockers,kooks headers, g force t5, 4.56s, 10.52 at 130, 498rwhp/387ftlbs
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post #2 of 4 Old 08-31-2006, 10:21 PM Thread Starter
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O and i forgot to say that its alot worse when its cold. Doesnt do it nearly as bad once the temps are up. thanx Kevin


93 gt 352 ci 302 based alum rdi block,bryant billitt crank, je pistons,Bullet racing ots hr cam, linkbar lifters,tfs r heads,super victor efi,42lb injectors, abaco 97dbx meter, 90 mm accufab tb, jesel shaft mount 1.7 rockers,kooks headers, g force t5, 4.56s, 10.52 at 130, 498rwhp/387ftlbs
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post #3 of 4 Old 09-01-2006, 08:25 AM
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Turning off the front O2s means that you loose adaptive learning. The maf xfer needs to be calibrated really closely since the car can't learn any more. I would put a wideband on it and see what the a/f is doing when you have the miss.

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post #4 of 4 Old 09-07-2006, 07:22 AM
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I also would like to turn off the o2's.
I have an lm1 wide band hooked up so I can watch the a/f.
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