ECU not reading Air/Fuel

JMetro64

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Aug 7, 2009
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Vermont
I recently had a supercharger swap done on my 04 Cobra, and when my shop had it on the dyno for tuning, were unable to get a air/fuel readings on the car. They worked on it for a few hours, called SCT but still werent able to get any insight on what the potential issue could be. They are thinking it could be a faulty ECU and are suggesting i replace it with a stand alone holley system which is just under $2000. I wasnt sure if anyone has had or heard about a similar issue, or has any insight on what it could be before i start spending money. I was hoping to be able to drive the car again before the winter, but its not looking good. any input is much appreciated.
 

decipha

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Jul 12, 2008
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New Orleans, LA
sct has an external wideband input on the xcal has nothing to do with the ecu

You dont even need to log the wideband as long as they have it on the dyno graph they should be able to dial in the fuel

if u want to log the wideband through the ecu itself you have to use the egr input
Analog Inputs / EFIDynoTuning
 

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