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O2 Simulators

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Old Feb 18, 2008 | 06:00 PM
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Default O2 Simulators

I called a big speed shop in Baton Rouge, LA looking for some O2 simulators but they told me that they can't sell O2 sims anymore as well as they can't delete them out of the computer either. Is this only in Louisiana or nationwide?

Reason I ask is because a friend of mine has a 07 GMC Sierra (new body style) V6 truck and is wanting to get rid of his cats (I don't know why, but he does) and will need O2 sims so the computer doesn't throw a code. Does anyone know where to buy O2 sims that will work? By chance, will F-Body ones work? I haven't crawled under his truck, but does have 1 or 2 cats on his truck since it's a V6?

Many thanks for any information!!!!!!
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Old Feb 18, 2008 | 06:03 PM
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the only place i have found o2 sims is on ebay. they call them mil eliminators. or find someone to delete the codes in the tune.
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Old Feb 18, 2008 | 06:04 PM
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im in the same boat, i want to get my egr,air and o2 senors deleted but i cant find anyone to do it ,maybe because its california, but i know o2 simulators have been pulled off the shelves ,heard they are illegal now.
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Old Feb 18, 2008 | 06:12 PM
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Guess it's nationwide for the O2's! I'm glad I had the basic tune done on mine a couple of years ago, so they're already deleted! Truckshop, have you tried those O2's and can verify they work? Reason I ask is because I bought some for my car off ebay since they were cheaper but they never worked. Thanks!!!
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Old Feb 18, 2008 | 06:58 PM
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pm sent to you eduardo, i can help ya out

Last edited by jay_lt4; Feb 18, 2008 at 07:12 PM.
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Old Feb 19, 2008 | 12:34 PM
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Anyone know if F-body O2 Sims will work on the trucks? My friend called SpeedInc yesterday since they had O2 sims online for sale and they told him they wouldn't work. I know older cars have different O2, but doesnt' seem like GM would make different O2s for each vehicle?
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Old Feb 19, 2008 | 12:37 PM
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Yeah EPA is cracking down on those type of aftermarket devices with hefty fines for the manufacturers and resellers.
Just find someone with tuning software and have them delete them for you.
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Old Apr 9, 2008 | 10:48 PM
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not true...speed inc has them
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Old Apr 9, 2008 | 11:45 PM
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Make your own.
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Old Apr 11, 2008 | 10:38 PM
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how would you make your own. is it with a resistor if so what type is it cause i need to do it on my 98 z28.
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Old Apr 11, 2008 | 10:51 PM
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20kohm resistor in series with a 30kohm resistor, capacitor inbetween (at least 2 farads) and poof....

as stated, EPA has been cracking down on this stuff .... and posting on a public forum about wishing to break federal law isn't exactly the wisest thing (yea they won't go after you, but gives them more incentive to outlaw anything that can modify a cars PCM or trick emissions sensors)
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Old Apr 11, 2008 | 10:57 PM
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ok i will have to try that.. thanks alot
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Old Apr 11, 2008 | 11:34 PM
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Originally Posted by horist
20kohm resistor in series with a 30kohm resistor, capacitor inbetween (at least 2 farads) and poof....

as stated, EPA has been cracking down on this stuff .... and posting on a public forum about wishing to break federal law isn't exactly the wisest thing (yea they won't go after you, but gives them more incentive to outlaw anything that can modify a cars PCM or trick emissions sensors)
I REALLY hope that was a misprint. A 2 farad cap on anything but a big electric motor or a competition stereo is overkill. BTW, the OP should really just buy tuning software. O2 sims are a joke.
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Old Apr 12, 2008 | 12:12 AM
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i spent 120 dollars on rear o2 simulators for my corvette and they didn't do anything i cleared the codes and 10 miles down the road the check engine light came back on so i wasted my money.. your best be would to just get a dyno tune
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Old Apr 12, 2008 | 01:44 AM
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Your solution is called HPTuners, EFI Live, LS1 Edit, etc. etc. etc.
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Old Apr 12, 2008 | 07:56 AM
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is there any handhelp that you could buy to turn off the cats and add a little performance. sorry for all the ?s but i dont know alot about these damn car computers lol
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