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Old 02-02-2013, 10:10 AM   #1
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02 sensors

I have x-pipes w/flowmasters on my GT, and the check engine light has been on for quite a while now. I tried the MIL eliminators and resetting the battery but they both failed to work. I believe my 02 sensors are bad because they've never been changed, and it sputters and hesitates when trying to drive. I guess it will be best to change all the 02 sensors. What do you guys think? Opinions are appreciated.
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Old 02-02-2013, 10:38 AM   #2
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Normally you will need extensions along with the mil eliminators.

You mounted the mil eliminators in line with the rear o2 sensors right?
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Old 02-03-2013, 05:51 PM   #3
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Get the codes read rather than just shooting in the dark, also the rear O² sensors have nothing to do with engine control and would not affect its operation. They only monitor the catalytic converter efficiency.

You did not say, is the X-pipe an "off road" unit--I.e. no cats? And as lowflyn asked, you did install the MIL Elininators on the rear sensors only--right?

The rear sensors have to be fully functional for MIL Eliminators to work--more about how they work and how to make your own for $5 or so here. The O² sensors can be bench tested with a miultimeter and a propane torch--he is how to do that...
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