Holley EFI
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Universal Terminator X - Holley Performance Products Forums
Jun 21, 2021 · 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 …
Engine stalls after a few seconds. - Holley Performance Products …
Jan 9, 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 …
V2 EFI software upgrade on Gen 1. - Holley Performance Products …
Jun 12, 2024 · I just noticed that the V2 EFI software supports both Sniper 1 & 2, but I saw the note in the overview that say call Holley because V1.3 needs a special update. Is the …
First Start - Backfire Through Intake - FIXED - Holley Performance ...
Jul 7, 2025 · First time posting. New Terminator X Max install on rebuilt engine. 6.0L LQ9. I get a nasty backfire right away, when I crank the engine over. I'm using the preconfigured Holley …
Sniper CAN Bus Data Stream Channel Allocations - Holley …
Aug 14, 2024 · I did manage to CAN Bus Data Stream Channel Allocations from the Cable Adapter Instructions (280-CA-EFIHOLMX), which also suit Holley Dominator & HP ECUs, but …
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 …
Which Trans ICF for manual transmission VSS? - forums.holley.com
Aug 5, 2024 · I have a Terminator X Max in a Fox Mustang with a manual transmission in. Since I have the Terminator X Max, I did wire up the VSS when I installed the system, but haven't …
Terminator X Max Temp Sensors - Holley Performance Products …
Sep 16, 2021 · Discussion about temperature sensors for Terminator X Max EFI system, including compatibility and installation tips.
Sniper starts & dies. Lean AFR. - Holley Performance Products …
Jun 14, 2025 · New problem with a formerly functioning setup. Holley 550-544 Sniper XFlow and timing control with the Holley distributor. The system has been in service since 2020 and …