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Mastertech won't complete KOER
Posted to Tool & Equipment Forum on 6/29/2026 9 Replies

Trying to scan the daily driver and when running KOER test it hangs after I have swept the steering wheel and cycled the BOO. There is no OD switch to cycle, though I did cycle it through the shifter selection.

Any thoughts?

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car Vehicle Data

1995 Ford Taurus GL 3.0L

Engine3.0 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1995 Ford Taurus GL 3.0L

Engine3.0 L
Trans4-speed Automatic (Electronic)