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Fg stuck between tunes after customer disconnected the battery


trutorque
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I got a mate who had his fg turbo multi tuned.  98 and e85. He's taken his car I  to get some welding repairs done of the rear cradle. Now he calls me saying it's stuck between files .. battery was disconnected. Any ideas or anything I can try. 

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Start by reading DTC's, this will give you a clearer indication of a vehicle fault as a result the work carried out or a fault in the the PCM/Tune.

When you say "Stuck between files" does this mean the cruise control buttons do not work? This may be a result of the wheel speed sensors being disconnected in the rear following the cradle being refitted (Not confirmed but just a thought)

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If the car has E85/98 multiple fuel tunes that are switched via the cruise control, he simply need to change the selected fuel back before starting the car, this is remembered unless the battery is disconnected for a period of time which I imagine they would have disconnected when doing the welding.

There is a video showing the process here 

Steps are, ignition on engine not running, turn on cruise control. Press resume, press + and speedo will flick to 85kph (e85), press - and it will flick back to 0 (e0/98) to select the correct fuel. Press resume again then press +/- to select the tune, this depends on what the tuner has set up, usually its low boost, boost by gear, high boost, ghost cam etc.

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