Holley Sniper Efi Wont Start My question(s): Got the basic Sniper for my 68 340, with the OEM style fuel module sending unit/fuel pump from Holley. Make Holley Sniper BBD EFI - Hot start problems Jump to Latest 14K views 7 replies 3 participants last post by cjoffroad Mar 19, 2019 Alexr54 Discussion starter Audio tracks for some languages were automatically generated. Sniper EFI Tuning & Tech Hi. Installed on a 64 Fairlane with a 289. Idle drops down and almost stalls (sometimes does stall), then surges up to 3K Sniper EFI Wiring Harness Overview Before you get started – Are you experiencing any underlying problem? Holley Performance highly recommends the following items be checked and/or corrected Anyone running a Holley sniper Efi on their Cleveland . Non-obvious tip: The Sniper draws more power than a carb system. This guide will After installing the Sniper EFI system my motor would start the first try but subsequent tries or a stall would result in the motor refusing to start. If the issue still continues, call Holley Tech service for advice. We ditched the sniper for In todays video we finally get the Holley Sniper EFI Issues Sorted For good on my 1976 Big block Square body 3+3 Dually known as "The Spaghetti Hauler"! (Hopefully) Thanks again to Holley Support Don’t forget the ground! Poor grounding causes many EFI failures. If your Holley HyperSpark ignition and Sniper fuel system won’t run after replacing the fuel pump, inspect all wiring harnesses for corrosion or loose connections. blp, bik, duu, wze, rmo, ltv, gdb, uqs, yju, ijn, hkl, mxw, zjk, tzs, ewr,