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i bought an autometer sport comp air fuel guage and i can figure out what color wire i hook it up to for the 02 sensor i have everything else hooked up. dores anyone out there know which wire for the 05 ex is the one

 
Rep Power: 786

moved, this might be able to be better answered in another section of the board

 
Rep Power: 811

those gauges don't work and mess up the o2 sensor. Only get a wideband. The one you have won't be accurate anyway.

 
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Autometer Ultra Light A/F.
Red= Power
Black= Ground
Purple= o2 Sensor.

Mine works fine. and gives me Accurate Readings.

 
Rep Power: 0

How do you know its accurate?

 
Rep Power: 811

You must have a "full throttle" modified autometer gauge. In which case it is still only accurate at full throttle. If its stock, then none of the readings are correct. Its a flashy light show and thats about it.

 
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Is ther one that works with our car? you are right about the flashing light show thats all mine does unles i step on the gas then it jumps to rich.

 
Rep Power: 811

well if you want to run a cheap gauge, i would suggest sending it in and they can adjust the voltage to accurately read full throttle a/f. Even then, I would use a SEPARATE 02 sensor that you weld in someplace. Ofcourse the ideal way would be a wideband sensor, but that's gonna cost hundreds of $$.

 
Rep Power: 0

i tried the seperate o2 sensor and i didnt get any reading.

 
Rep Power: 811

where did you install it? Near the stock one below the header? did you connect the wires correctly?

 
Rep Power: 0

i have an etra hole on my header so i instaled it there and got nothing. right know i have it installed on the stock one bellow the header and all i get is a light show the darn thing keeps going from lean to rich non stop onless i step on it then it stays on rich

 
Rep Power: 327

Can you say PLX M-500 on top of steering column, Wideband with wireless data logging capability!

 
Rep Power: 811

http://www.gadgetseller.com/gauges/modifiedproducts.htm