Holley Sniper EFI: Quick Firmware Update In Under 5 Minutes

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Updating to the newest firmware on my Holley Sniper EFI. I have this Sniper EFI on my 1990 Third Gen Chevy Camaro with a Small Block Chevy 350 with Vortec heads.

This video will show you how to update your firmware and save your old tune and transfer it to the new firmware so you don't need to re tune anything.
  1. Zanes Garage
  2. holley sniper efi
  3. firmware update
  4. software update
  5. quick
  6. easy
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Комментарии
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great video man. You made it clear and simple to follow. I did this firmware update today after buying the Y-splitter cable and the USB/CAN cable so that I can now use my laptop in the car to tune the sniper and view live data as the engine runs. The firmware update went smooth and I am glad I could follow along with your video to ensure I did it all correctly. Thanks!

IROCZman
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thanks. you made this look a lot eaiser than reading instructions. I will update mine now.

cees
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I appreciate how simple u make it seem. My sniper is running fine now except some crashing when trying to adjust cranking fuel while running it will freeze on the screen and then I have to cycle key. When did this update get released I updated last year sometime.

cfmechanic
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Did the sd card come with the unit or did you buy it separately?

philsigman
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I'm having a hard time with my sniper screen turn red n shutting down on me at mid 3000 rmp on my 383 in my boat

eagle
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Great video. Any updates to the process now 2 years later from this video? I need to do a Firmware update on my set up?

WesFosterHere
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Im the guy with 1970 olds 442-w-30...Finally got my sniper and hyper spark installed..It runs like crap!! Learn mode is reading a negative 16%!! But my mechanic did notice the firmware reading for the wizard is think it needs to be updated to 1.1.7....He said the ECU is up to date, but wizard software is not....How do i update the wizard only since the ECU is current...

GUERRO