More blink code issues--speed sensor#00513, Control module malfunctioning #65535

[Tom Egbert]

   I have owned 2-20v's and kept my ecu with Ned's stage III+ in it. Both cars will throw silly codes that don't make the car run badly. The other box had TAP chip. Very similar performance and codes that appear for no apparent reason. 
     I wonder if the IA replaced transducer makes the voltages different and some troubleshooting is no longer accurate. I know the trip computer no longer reports the boost accurately.
    If it runs well and gets decent mileage, don't fret.
               Tom  '91 200 20v sedan 90k miles blk/blk

 
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