Bayliner Mercruiser 454cid engine with a new Holley Sniper EFI installation first start. Sniper EFI is for more than just cars and trucks! Find a kit for your ride: https://holley-social.com/HolleySniperEFI #HolleyEFI #HolleyPerformance #Holley #SniperEFI #Fuelinjected #HolleyEquipped | Holley

Using fuel additives? Running a Sniper 2? Don’t let common install mistakes hold you back. From O2 sensor placement to fuel pump mounting, timing, and IAC setup—we cover the Top 10 pitfalls and how to avoid them. Shop Now for Sniper 2: https://holley-social.com/Sniper2EFI #Sniper2EFI #Holley #HolleyPerformanceBrands | Holley

Avoiding common mistakes is the key to getting the best out of your Holley Sniper 2 EFI. In this video, we break down the Top 10 installation and setup pitfalls—from wiring errors and bad O2 sensor placement to fuel pump mounting, timing, and IAC adjustments. Check out more about Sniper 2: https://holley-social.com/Sniper2EFI #HolleyEFI #Sniper2EFI #Sniper2 | Holley