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Old 06-12-2014, 01:09 PM   #1
K_B
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Exhaust

I have magnaflow exhaust on my 02 automatic gt and I took 2 cats off and cleaned the other two out and you can tell that it's burning rich. Any suggestions on what I can do to fix that?
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Old 06-13-2014, 04:25 PM   #2
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All the 02-04 cars run rich. Ford installed #21lb injectors for those years but never updated the tune fro the 19s that were in there in previous years. Taking the cats off probably just let you smell it more.

However, I would scan for any codes as it could be an O2 problem. You will also trip the computer for the rear O2 sensors if you remove the rear cats without installing MIL eliminators.
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Old 06-13-2014, 04:28 PM   #3
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Oh ok & I did take the rear cats off. Should I take the other 2 off? And I think I'll get the eliminators
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