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haltech wide band controler problem

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Old 10-20-05, 04:39 PM
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haltech wide band controler problem

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i posted this in the haltech section but i think i can find some answeres from the second get section
heres what iv got


i have the haltech wide band controler. (innovates with the haltech name)
anyways i am getting a very low voltage from my sensor.
i see at idle anywhere from 70 to 300 Mv and under acceloration i will see at most 2500 MV.
both are dangerously lean a/f ratios.
i know my car is not running lean, because i hooked up to my 4 gas and i have high ppm of HC so i know i am running super rich.
i started leaning my mix based on the 4 gas readings and that brought my wide band voltage up.
i am also getting the same voltage on my labscope so it is not in my software.
i have calibrated the sensor twice with the led and there are no error codes

heres how i have it hooked up
brown 0 to 5 v signal wire to purple shielded wire ecu side
and in my settings i have my o2 voltage to 0 to 5 volts and set to bosch wideband

one other question is any one having problems running there wideband sensors in the stock location due to heat issues
thanks
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Old 10-20-05, 05:41 PM
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Are you getting any missfires during idle and/or accel? A missfire can often lead to an innacurately lean mixture reading due to all the unused oxygen passing through the exhaust. Anytime you have incomplete burning it will read lean. Either of those problems are caused by the ignition system (timing or other), and not the fuel system at all.
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Old 10-20-05, 05:43 PM
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never mind i just got off the phone with innovate and the voltage output from the controler is just a reference and low voltage is rich and high voltage is lean
this tread can be closed
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