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Old Jul 9, 2009 | 06:55 PM
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is there a hand held product that i can buy so i can erase the code that says i have a bad cat ,and pass immisions????????????
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Old Jul 9, 2009 | 11:32 PM
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Buy a scanner an right before you go delete all codes

maybe it will work
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Old Jul 9, 2009 | 11:53 PM
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Nope on the scanner part, YOur car has to go through drive cycle before the emmisions place can test it. If you do delete them all an go up there there test will say system not ready.
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Old Jul 12, 2009 | 06:26 PM
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Mine passed two days ago with no cats. I have the o2 sims...and a tune... BUT A buddy of mine just plugged the back o2 bungs and tied the rear o2 sensors to the frame... To my knowledge, the rear o2 sensors just need to read something different then the front o2s...
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Old Jul 13, 2009 | 09:58 PM
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hmmm interesting ....thanks
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Old Jul 15, 2009 | 02:24 PM
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yeah thats pretty tricky, good luck with that
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Old Jul 18, 2009 | 10:36 PM
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Originally Posted by Fun-Formula98
Mine passed two days ago with no cats. I have the o2 sims...and a tune... BUT A buddy of mine just plugged the back o2 bungs and tied the rear o2 sensors to the frame... To my knowledge, the rear o2 sensors just need to read something different then the front o2s...
The sole purpose of the downsteam O2 sensors is to monitor Catalytic Converter efficiency and relay it to the ECM.The upstream O2 sensors are for the ECM to make adjustments to the air/fuel mixture based on whether the O2 sensors are reading lean or rich.The rear(downstream)sensors should not fluctuate at the same rate as the front sensors.If they do,chances are you have a clogged CAT.
Last edited by lovescamaros28; Jul 18, 2009 at 10:43 PM.
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Old Jul 19, 2009 | 06:18 PM
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get o2 sims
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Old Jul 20, 2009 | 05:57 PM
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so even if i have i clogged cat (driver side) and i put o2 sims in it will it turn the ses light off ,and ill pass emmisions?
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Old Jul 20, 2009 | 08:38 PM
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it will turn the ses light off, not sure if it will pass the sniffer with a clogged cat
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