No fuel flow from Holley returnless pump.
Nov 11, 2024 · Was starting to get the Holley Sniper 1 system ready to fire, I setup to flush the fuel line. The pump ran, but no fuel flow from the Holley in-tank returnless pump.
WBO2 Sensor Issue - Holley Performance Products Forums
May 15, 2025 · Afternoon All, from sunny Down Under. I'm running one of the first versions of Holley Sniper (2017) and haven't had many problems with it til now. I lost the WBO2 sensor, …
Setting timing with Sniper. - Holley Performance Products Forums
Sep 25, 2023 · Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Thus, Holley can not …
Can I tune in blower surge? - Holley Performance Products Forums
Jul 22, 2022 · Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Thus, Holley can not …
Questions, new Terminator X Max install on SBF 4R70W. - Holley ...
Nov 11, 2020 · Hello folks. I'm currently installing a Terminator X Max in my '93 Fox body. First question is does the Holley EFI not need the turbine speed sensor to determine when to shift? …
Sniper Fuel Filters (supplied with kit). - forums.holley.com
Jul 16, 2020 · Discover insights and discussions about Sniper EFI fuel filters included in the kit and their compatibility with various fuel systems.
How to order Terminator X with custom 558-105 harness? - Holley ...
Mar 18, 2020 · Hello. I'd like to make my own wire harness to make it fit bit more stealth than factory harness is. I noticed Holley offers a DIY main harness 558-105. How do I order base kit …
Trouble With New Sniper - Holley Performance Products Forums
Jun 17, 2022 · For the fuel system on this Jeep, I went with the Holley 12-307, Holley OEM Style EFI Fuel Tank Modules that puts out 255 LPH. Along with a new fuel tank from Holley.
MAP Sensor Mounting - Holley Performance Products Forums
Can I mount my Holley 554-108 5 bar MAP sensor directly to my intake elbow/intake manifold? I noticed on the descriptions for the other transducers, that they don't want them mounted …
Coolant Temperature Enrichment - Holley Performance Products …
Jan 10, 2020 · Discussion on coolant temperature enrichment for Holley Sniper EFI systems, including tuning tips and community insights.