Return to DynoJet Power Vision 4 | Harley-Davidson

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0 of 0 people found the following review helpful:

Vision 4 on fatboy April 11, 2026 Reviewer: Doug Wright from Humboldt, KS United States   The vision4 worked well. I added tab mufflers to my 2018 fatboy. On start up the exhausts were popping. I applied vision4  map for this set up and popping stopped.  The check engine light was in. Vision4 diagnostic said this was a front o2 sensor. The vision4 let me clear it. The code. I did 3 auto tune sessions with vision4. No checklists returned. Improved power and performance. Was this review helpful to you?

0 of 0 people found the following review helpful:

Killed my ECU October 31, 2025 Reviewer: Jack Anderson from Kingsport, TN United States   The PV4 dropped out midflash due to a bad connection in the harness. I Contacted Dynojet Tech Support and they sent me a new one. Well turns out it crashed my ECU and I'm down till January 27th when one available. Also, it doesn't link up to Android. Was this review helpful to you?

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programming made easily August 26, 2025 Reviewer: Jason Taylor from Wasilla, AK United States   such a great product and so simple to use Was this review helpful to you?

0 of 0 people found the following review helpful:

February 8, 2025 Reviewer: Clay Harrison from Chandler, AZ United States   Was this review helpful to you?

0 of 0 people found the following review helpful:

January 13, 2025 Reviewer: Myron Kabwe from Inglewood, CA United States   Everything worked out great. Thanks Was this review helpful to you?

0 of 0 people found the following review helpful:

October 14, 2024 Reviewer: Jaddan Schwarz from Sparta, WI United States   Wish it had autotune, and it is difficult to leave on the bike Was this review helpful to you?

0 of 0 people found the following review helpful:

Dont believe dynojunk September 25, 2023 Reviewer: Tom McBride from Florida   So i was told pv4 would have  have aurorune by last fall. So emailed dynojunk they emailed me back a week later and said they had other more inportant issues to work on first. Their exact words Was this review helpful to you?

0 of 0 people found the following review helpful:

EASY April 21, 2023 Reviewer: Matt Gardner from Wasilla, AK United States   WAS EASY TO USE AND MAPPED THE BIKE GREAT. Was this review helpful to you?

0 of 0 people found the following review helpful:

just ok February 13, 2023 Reviewer: Jeffery from Michigan   it works ok if you can get the right map. cant be used to Dyno tune and the auto tune feature wont be available till...well who knows. buy the PowerVision 3. it had autotune and can be dyno'd Was this review helpful to you?

0 of 0 people found the following review helpful:

Just a storage unit August 24, 2022 Reviewer: Jimmy Freitas from Westland, MI   Completely dissatisfied with this product, all dynojet can say is that it'll be more than just an interface for loading tunes (someday) you cannot dyno with just this tuner, and dynojets customer service is horrible! If you want to buy a product that may be worth it someday this is for you! Was this review helpful to you?