@Antus, Thanks for the feedback. I am wondering if the Diablosport didnt really write back the tune correctly,After much digging have read were others with the E38 ECU's have had quirks using the Predator2. Never knew a thing about the Predator setups,,,but this generation is pretty old technology m...

Hello All, new to ECUing Can anyone explain on an ACDelco E38 ECU,, what the value of KefPMC_b_VariableSpeedPump,,,would be enabled or disabled.,,,what would be the purpose of changing this. Recently purchased an 2010 Chevrolet Suburban 5.3L that had an AFM delete done to it. It has a rough idle,I b...

@Gampy Thank You for the information. Scared the behesus out of me,,as it looked like everything was hunky dory. So with my saved read dump... unhooking everything,,,thought,,"I better check make sure the battery doesn't seem low/run down". Keep in mind this was first stab at this game! Tu...

Hello. Am wanting to experiment with this PowerPCM Flasher tool. Has anyone actually been able to upload a modded configuration to an GM E38 ECU with this tool? I recently purchased an GM MDI2 clone ( which actually only functions as an MDI1,,which is well documented.) Anyway on a newly purchased Ch...