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Old 10-26-2005, 03:00 PM   #1
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sensor gone wild!

yep, my AEM EUGO a/f ration sensor is taking a crap on me.

sometimes it does what it is supposed to and sometime the bish sticks at 14.7-8

so now i gotta spend my life savings on a new one, 65 dollars god damn! hahaha

car is still drivable but my baller gauge as my friends call it doesnt work no more sniffle sniffle

my car is currently in storage so its not a big deal but when it comes out ill probably be investing in a custom fab intercooler or a turbo tom intercooler depending on how busy he is. then up the boost on that sunavabitch.

i want low 13's!

so thats whats going on.


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Old 10-27-2005, 07:22 AM   #2
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Did you buy that Ugo new when you got your kit, or did you have it from a differant project?
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Old 10-27-2005, 09:05 PM   #3
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brand new kinda sucks that it went out so fast maybe i got a crappy sensor.

the whole turbo project was new and from scratch. i had no old recyled parts i used when i did this.
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Old 10-28-2005, 12:52 AM   #4
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Just curious, Where is your sensor placement, and where on the pipe is it positioned(ie side of the pipe, top of the pipe)....

they recommend to have it between 10 and 2 on the pipe, as far on the top as you can go . This is right off the innovate website for sensor care
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Old 10-28-2005, 01:51 AM   #5
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i dunno where it is ill check it out tho in the spring, its the very least of my worries right now doing 20+ hours of overtime a week. sleep is my concern right now. btw it is 1:49AM and i dont get outta work till 7:30 am.

i started work today at 3:30 pm-7:30 am

THEN i gotta work at 11:00 AM till 11:30 pm and if i chose to 11:30 pm tomarow till 7:30 am. how crazy is that shit!
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Old 10-28-2005, 02:18 AM   #6
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then why post this.
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Old 10-28-2005, 02:33 AM   #7
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just to say my damn almost new a/f sensor is crap thats why. i got a crappy one in the batch lol
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Old 10-28-2005, 02:48 AM   #8
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those damn lemons
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Old 10-28-2005, 03:26 AM   #9
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i should sue aem for petuitive damages to my mind. i couldnt sleep for days because i was tramatized from this brutal occurance. i lost friends, my job, im broke, and my family kicked me out so now im posting in a public libary where i have to sleep at the train station.

aem is going down lmfao!
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Old 10-28-2005, 02:38 PM   #10
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Was the sensor in the stock location? or did you have a new hole for it.

As mentioned the sensor should be way up high to prevent water or moisture from damaging it.

If i am not mistaken you can repair the sensors
edit: not repair, I thought that the propane torch would burn off contaminates, but I think i'm wrong.

Quote:
To check the sensor's response to changing oxygen levels in the exhaust, first create an artificially lean condition by pulling a large vacuum line. When extra air is introduced into the engine, the sensor's voltage output should drop to 0.2 V.

To check the sensor's rich response artificially richen the mixture by, if possible, clamping the return fuel line momentarily. This will force more fuel through the injectors and should cause the O2 sensor's voltage to increase to 0.8 V.

If the sensor's output fails to respond to the changes you've created in the oxygen level in the exhaust, it's time for a new sensor.

Zirconium sensors can also be bench tested by heating the tip with a propane torch while monitoring the sensor's voltage output with a digital voltmeter. Connect the positive voltmeter lead to the signal wire (normally black) coming out of the O2 sensor and the negative voltmeter lead to the sensor's outer shell. Then heat the tip of the sensor with the propane torch. The tip should be hot enough to turn cherry red, and the flame must enter the opening into the sensor tip. If you get a voltmeter reading above 600 millivolts (0.6 Volts), and the reading quickly changes as you move the flame back and forth over the tip, the sensor is okay. A low reading or one that is slow to change means the sensor needs to be replaced.
I dunno if this test applies to your o2 sensor, but may be worth a shot?
http://www.picotech.com/auto/lambda_sensor.html
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