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watkinstick
Dodge Dakota
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7/28/2005
15:31:36
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 Subject: o2 Sim
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Message:
I found a post about making your owm o2 sim with a 680k ohm @ 1/4w resistor and a 0.1f cap and place the resistor in line with the blue wire and the cap between the blue wire and the black wire.
well I have a couple of questions about this.
1st will this actually work instead of me having to buy a new o2 sensor?
2nd I have 4 wires not 2 and they are 2 white 1 black and 1 grey, how would I hook these up then to make it work right?
Thanks
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N56629
Dodge Dakota
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7/28/2005
17:57:35
| RE: o2 Sim
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Message:
Do an internet seach and there are several articles on making them. At least one of them address the wiring to which you referred.
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watkinstick
Dodge Dakota
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7/29/2005
00:21:44
| RE: o2 Sim
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Message:
Check these out and tell me what you think and how hard this would be to make:
http://www.mkiv.com/techarticles/oxygen_sensor_simulator/
http://www.dakota-durango.com/forum/attachment.php?attachmentid=999
http://www.dakota-durango.com/forum/attachment.php?attachmentid=997
I wish there were com actual pictures of these!
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N56629
Dodge Dakota
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7/29/2005
08:19:22
| RE: o2 Sim
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Message:
Unless you are into that kind of stuff, which you probably aren't or you wouldn't need a picture, they just don't cost that much. I could probably do it myself but I wouldn't.
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Cat
Dodge Dakota
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7/29/2005
09:25:55
| RE: o2 Sim
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Message:
pease just put a high flow cat. I saw a carsound cat on ebay for about $50 or $60. The life you save may be a family member.
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watkinstick
Dodge Dakota
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7/29/2005
20:32:24
| RE: o2 Sim
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Message:
I am just trying not to have to buy a new o2 sensor.
I could do this but I got top thinking that this is for the wrong sensor. This is for the first on that keeps track of the air/fuel ratio and needs to flip from .1 to 1 correct?
I need the second o2 sensor that detects if the cat is workng correctly and has a constant vaule right?
Let me know if I am right or not.
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B.U.M.P
Dodge Dakota
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8/03/2005
21:04:23
| RE: o2 Sim
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Message:
Bump
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watkinstick
Dodge Dakota
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8/04/2005
23:53:06
| RE: o2 Sim
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Message:
"I need the second o2 sensor that detects if the cat is workng correctly and has a constant vaule right?
Let me know if I am right or not."
Will someone reply to let me know which o2 does what and if I am right or not.
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daddio
Dodge Dakota
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8/05/2005
08:49:00
| RE: o2 Sim
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Message:
the 1st O2 tells the PCM if you are rich or lean. the 2nd tells it if the cat is working or not.
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watkinstick
Dodge Dakota
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8/05/2005
19:53:19
| RE: o2 Sim
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Message:
right, I understand that much, I was wanting to know about the voltage for both. Can anyone help me out there?
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watkinstick
Dodge Dakota
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8/07/2005
00:17:45
| RE: o2 Sensor Voltage, Larry can you help??
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Message:
I was wanting to know what the voltage was for both the up stream when it has to be flopping back and forth from one voltage to another and what the down stream needs to be doing to get a good signal to the PCM.
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