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- Tue Oct 31, 2023 12:45 pm
- Forum: General Syvecs Chat
- Topic: H-Bridge DI Spill Valve Wiring
- Replies: 2
- Views: 119548
H-Bridge DI Spill Valve Wiring
Using an S-GDI ECU to run a Mazda 2.3T DI engine. Confused by the wiring for the spill valve to control DI fuel pressure. Software won't allow you to simply select HB1/2. Under IO Slaving you can slave Ign12 to Fuel12 and then assign Ign12(Fuel12) to the Direct Injection Pump. If I then enable HB1 S...