Long-Tube headers. Can the 02's read properly WITHOUT aftermarket computer?

Stanger007 said:

If you have a tuner around you that can datalog and has a loaded dyno I would duplicate the issue on the dyno and see what is going on.

Reading your symptoms it sounds like a problem in how the vehicle is tuned for the injectors. I would not think it is O2s. Likely just poor a calibration.

Wes

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