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ECU

Electrical and Electronic

Model: 993, Year:1998, Mileage:46250, Type of use:Both Street & Track
I recently replaced the ECU on my 1996 993 with a 1998 ECU to correct some on going check engine alarms. Now I have two alarms that are related to sensors for the 1998 model year that are not on the 1996, such as fuel tank pressure. I also have an "Improbable Hall Sensor" fault that has followed the ECU change. Other wise the car runs great.Is there a 1998 ECU I/O pin out diagram abailable? Any comments on the Hall Sensor fault?

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