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-   -   Problems with O2 Sensors on an Off Road X? (http://forums.mustangworks.com/showthread.php?t=5976)

Chipdog 09-23-2001 07:53 AM

Problems with O2 Sensors on an Off Road X?
 
I just swapped to an Off Road X Pipe and changed the O2 sensors at the same time. I am now getting a 41 code. Do you think I got some bad sensors or do they not work right without cats?

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92 GT Convertible
Hooker Headers, H-Pipe, Flow Masters, 4.10s, BBK 1.5 drop, 73mm Mass air, 65 FMS TB, FMS Aluminum radiator, T-5 swap with a Steeda shifter.

And a Small Blow Job

Unit 5302 09-23-2001 12:59 PM

Your exhuast velocity is too high for the O2 sensors to work.

Do a search on this forum from 1999 or 2000 for Rebel 79's off road h pipe fix.

It'll tell you how to put a small tab behind the O2 sensors, which will get them working right again.

Good luck.

Unit 5302

joe4speed 09-23-2001 01:07 PM

Does this only affect cars equipped with an "x-pipe"? I have an off-road h-pipe, and never had any problems with the sensors...

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Joe! 1988 GT, 167,000 miles!!! 13.58@105mph Check out my listing! Click here! Or my website:www.joe4speed.com
99 Ninja ZX-6R:10.32@135mph!
1993 Olds Eighty Eight LSS 16.40@88.8mph http://www.duhspot.com/users/smiley/.../outtahere.gif

Rebel79 09-24-2001 09:19 AM

Joe,

It seems not all cars have the this problem with the off-road H-pipe.

Kell,

Man I am suprised you guys still remember me and that fix! http://www.mustangworks.com/msgboard/biggrin.gif

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1994 Mustang Cobra
308ci, Vortech S-trim 11#, ported GT-40 heads, E-303 cam, FMS 1 5/8 headers, BBK Offroad H-pipe, 2-chamber flows, and several other goodies.
Rebel Racing. Home of Bay Area Mustangs

Rebel79 09-24-2001 09:30 AM

Oh yeah, I took new pictures of the H-pipe fix.

http://www.rebel-racing.com/images/h-pipe.jpg

http://www.rebel-racing.com/images/h-pipe2.jpg

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1994 Mustang Cobra
308ci, Vortech S-trim 11#, ported GT-40 heads, E-303 cam, FMS 1 5/8 headers, BBK Offroad H-pipe, 2-chamber flows, and several other goodies.
Rebel Racing. Home of Bay Area Mustangs


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