nick.christ Posted October 12, 2021 Report Share Posted October 12, 2021 Hi, Having this puzzling intermittent issue where i have coil firing when i switch ignition to "on". Is there something i can do easily on my end to diagnose the issue or is there an underlying issue with the hardware/software? Car does everything well besides this and has no other glaring problems. Car is RB30DET with wiring specialties loom. Thanks in advance, Nick Quote Link to comment Share on other sites More sharing options...
Adamw Posted October 13, 2021 Report Share Posted October 13, 2021 Some of the early G4X ecu's had a hardware problem that would cause this on specific cars - mostly subarus and BMW's from what I have seen, but it sounds like you are possibly suffering from this. Contact [email protected] with a subject such as "backfire at key on" and they can possibly check if your serial is one of the early one's and if it is get it back for a hardware update. Quote Link to comment Share on other sites More sharing options...
nick.christ Posted October 13, 2021 Author Report Share Posted October 13, 2021 thanks Quote Link to comment Share on other sites More sharing options...
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