22Coyoti
Active Member
- Joined
- May 29, 2022
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- Matteo1822
- First Name
- Matteo
- Vehicle(s)
- 2022 Mustang Gt Premium
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- #1
I am ready to install the whipple tune. Reading the instructions it mentions to connect RTD flasher, turn key to engine run (do not start) push button type ignitions, hold push button down for 10 seconds to activate diagnostic mode.
Do I need to activate diagnostic mode? Never seen anything online about this.
Do I need to activate diagnostic mode? Never seen anything online about this.
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