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o2 sensor simulators

 
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Old 06-13-2010, 05:04 PM
ACFX4
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o2 sensor simulators

Does anyone at allknow of anyplace where I can get some o2 sensor simulator's or eliminator's or whatever there called? I have a 2003 F150 with a 5.4 and I wanna cut my back pair of converters off and i need some simulator's so i wont have a check engine light on all the time. I have no inspections or exhaust laws of any kind where i live.
 
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Old 06-14-2010, 10:22 AM
G Ford Fan
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If you find out, let me know, I may need them as well.

I'm sure they have to be out there, or you could try using a spark plug non-fouler on the rear O2 sensors........search the web, there are articles out there that cover this.

Good luck.
 
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Old 06-14-2010, 10:27 AM
G Ford Fan
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Doing a brief web search I came across these:

02 Sensor Simulators

Perhaps they might work for you, they say they are good for models prior to 2005.
 
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Old 06-14-2010, 02:21 PM
Lazy K
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Try also O2simulator.com and obd2cables.com
 
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Old 06-14-2010, 07:47 PM
ACFX4
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Thanks guys. Well so far Ive looked at the above one's that you posted G Ford Fan, and a guy with a 2002 ford lightning pointed me to some and said they are for a mustang but work on his truck perfectly. Idk which to get. Here's the link to them.

Mustang Plug-in MIL Eliminators at AmericanMuscle.com - Free Shipping!
 
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Old 06-14-2010, 07:55 PM
G Ford Fan
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I won't be needing them afterall, at least not anytime soon.

I looked at my truck more closely tonight and to get my converter pipe down, the trans crossmember has to come off (!), and it's not worth it to me to do all that work just to get it down, so I'll leave it be for now..........

My Expedition is the FIRST vehicle I have ever owned that you need to pull the crossmember down to get the Y-pipe off......GOOD GRIEF.......
 
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Old 06-14-2010, 08:01 PM
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Idk which ones to get between those two or if i should try the no foul spark plug trick ive heard of.
 
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Old 06-15-2010, 09:35 AM
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The Spark Plug non-foulers is probably the cheapest route to go. It would only cost you a little bit of your time and a few dollars for the non-foulers.

If that does not work, then you could go for the MIL- Eliminators.

Good luck.
 
  #9  
Old 06-15-2010, 11:24 AM
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Here are the problems with simulators. To explain this, I will explain how the OBD-II system monitor works.

The computer switches from rich to lean at a certain frequency as shown on a scope of the front O2 sensor. The converter if it is doing its job will store and consume oxygen as it burns any remaining fuel in the exhaust. This results in the rear sensor detecting a stable waveform and a lower oxygen level (increased voltage). When the converter is missing or not working, the rear sensor will start to match the front sensors waveform and voltage. This tells the computer that the converter is bad, and the P0420 or P0430 codes will set.

Simulators attempt to work by buffering the signal, so stabilize the waveform. his matches one of the requirements. However, it does not address the voltage issue. A functional converter will cause an increase in the sensor voltage. A simulator will leave the voltage unchanged, or will decrease it. The computer will interpret this as either a non functional converter and set a P0420 or P0430 code, or it will determine that the O2 sensor is non-functional and the light will be set for that.

The only way a simulator would work is if it introduced new voltage from an outside source to simulate a proper sensor signal. There are no simulators on the market that do this.

O2 simulators are strictly illegal.

If you really want a way to eliminate the light, do it with a tuner. Most good tuners can change the parameters, so the computer ignores the signal.

What makes you think removing the back converters would trigger a CEL in the first place? What makes you think removing the converters would result in a power increase? Why not do it properly and replace the converters with ones that will actually result in a gain? The only thing you will get by removing the rear converters is sound.
 
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Old 06-15-2010, 02:21 PM
ACFX4
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Well idk about them, but all im looking for is a sound gain. And i wont have to deal with the legal issues unless im just out being loud and asking for trouble.
 
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Old 06-15-2010, 02:26 PM
ACFX4
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Well idk about these other guys but all im looking for is a sound increase. My local exhaust shops all told me to jus get some MIL eliminator's like they use on mustangs and remove the rear pair of converters.
 
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Old 06-15-2010, 10:32 PM
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You local exhuast shop is unprofessional to recommend that to you, chances are they are looking to have you spend more moeny with them after the problems that simulators introduce.

Go get yourself a nice Hypertech, Bama, Superchips, or whatever tuner you prefer if you are that concerned about the light coming on.

While I do not really recommend eliminating cats, Fords are not the pickiest vehicles about emissions. I think that if you remove the rear converters you shouldn't get a CEL. I cannot guarantee that, but worst case scenario, your light does come on, you get a tuner, which is one of the biggest bangs for the buck on performance gains anyway, and have a tune that makes the computer even less picky about converter performance. It does not alter the signals, which can cause problems in an otherwise stock setup, it completely ignores them.
 
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Old 06-16-2010, 07:12 PM
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When you say tuner, are you talking about a custom tune or like a power programmer type of thing? I have considered getting the edge evolution. What would you recommend? Just something not overly expensive but still reliable with good performance and that will allow me to turn the CEL light off when i cut the back pair of converters off without any kind of mil eliminator.
 
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Old 06-17-2010, 07:59 AM
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Thats exactly what I am recommending. The Edge is a good one, there are lots of others. You can ask the manufacturer if it can prevent the CEL from coming on. I don't think any would openly advertise that feature, but I think all of them have it.
 
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Old 07-03-2010, 05:03 AM
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I have a o2 simulator on my F150 and it has been working the last 4 years for me.
 

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