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How to do CEL fix for catless uppipe?

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Old 09-15-2003 | 12:47 PM
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kalasend
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From: Milpitas, CA
Car Info: Aspen White GDA
How to do CEL fix for catless uppipe?
So I got the STI uppipe installed. There's no more EGT sensor and I'm going to do the 22kohm resistor thing. But I don't know how to do.

My guess is I need to chop off the adaptor of the sensor wire(what was originally connected to the EGT sensor), and connect the resistor in between the wires. Am I right or wrong?
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Old 09-15-2003 | 02:40 PM
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Nate0125RS
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Car Info: '03 Silver WRX
With the resistor for my Perrin uppipe, I just disconnected the wiring harness of the EGT and put the resistor in the female end of the connection. No CEL.
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Old 09-15-2003 | 05:50 PM
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gjhsu WRX
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It's very important that you get a 2.2K-ohm resistor instead of a 22k-ohm. You won't simulate the right values with 22k. A typo it may be, but just have to make sure you knew that.
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Old 09-16-2003 | 02:13 AM
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From: bay area
Originally posted by Nate0125RS
With the resistor for my Perrin uppipe, I just disconnected the wiring harness of the EGT and put the resistor in the female end of the connection. No CEL.

ditto... just unplug it, and plug it back with the resistor and you're set.
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Old 09-16-2003 | 10:36 AM
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kalasend
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From: Milpitas, CA
Car Info: Aspen White GDA
Where to get the resistor?
Damn! Those guys who installed the pipes lost the resistor. And they got me a new one but i just found that it's not 2.2kohm

So where can I get new one? Radio shack I suppose?
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Old 09-16-2003 | 01:50 PM
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radio shack, for $.99.
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Old 09-18-2003 | 10:39 AM
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wrxn'sx
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Car Info: 03WRX=sold 08STI=newhotness
whats the Wattage requirement?
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Old 09-19-2003 | 07:52 AM
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GR8-WRX
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Car Info: 2010 370z Roadster, 2008 Frontier CrewCab
Originally posted by ScoobyBoy
radio shack, for $.99.
That's a pretty good profit margin for the folks selling the "CEL fix" on eBay!
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Old 09-19-2003 | 01:24 PM
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hackjar
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make sure you use the 1/2 watt resistors and not the 1/4 watt. Some people have had the 1/4 watts burn out. I've had my half watt resistor on my car for over 15K with no problems.
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