I had a go tonight and this is what i got for an '88 PB GTI, 117k, K&N 57i, been running very well.At Idle:position 1:Default: Engine code - 1231: Land code - 32: Speedometer - 9553: Upper rev limitter - 74184: Lower rev limitter - 13255: Decelaration fuel pressure - 2206: Display test MFA switch on position 2:Default: Test programm of programmed bytes (checksum) - 21941: Intake Vacuum - 4262: Digital rev counter - 9003: Fuel usage (instantaneous) - 0.34: Signal from speedo sensor - 05: Oil temperature (like default)6: Ambient temperature (like default) At just under 3k rpm postion 1 readouts are the same. Switch 2 are;MFA switch on position 2:Default: Test programm of programmed bytes (checksum) - 21941: Intake Vacuum - 2922: Digital rev counter - 28803: Fuel usage (instantaneous) - 0.64: Signal from speedo sensor - 05: Oil temperature (like default)6: Ambient temperature (like default) I couldn't put this info in the sticky but i hope Joe can. Hope it helps.