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Problems when using the 75mm (LS4) throttle body

For discussing the PC software which comes with ObdTuner.
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Problems when using the 75mm (LS4) throttle body

PostThu Feb 19, 2015 6:55 pm

People who are have problems when using the LS4 throttle body, please download the latest PC software from and do the following:
- Sync with the ECU using this software, you will get a message 'Invalid throttle body'.
- Go to the parameters tab and re-select the 75mm LS4 throttle body.
- Press the button 'Send parameters to the ECU' and make the calibration permanent.
This should solve the problem.

Sorry for the inconvenience.
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