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15 fzs hesitation when bov closes

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  • #1

    15 fzs hesitation when bov closes

    I'm having this odd problem. When I'm cruising under 5000 rpm (Tial bov open) then punch the throttle or ease the throttle on (bov closes) the engine hesitates and sputters then takes off like it should. The problem seemed to just start to happen in the summer heat. Afr between 11.6 and 12 through out the rpm range.

    I'm still reaching 8400rpm and 80mph like I always have.
    Mods: Deans team flash stage 3 ic 91 octane 8850 limit, fizzle ic with Tial, dedicated ic line, Riva cooling anode, solas 13/18, cai, tj exhaust mod, stock intake grate mod, Riva sc shaft, volute pinned, bov reference line drilled and tapped in manifold.

    Sent from my SM-G930W8 using GreenHulk PWC Performance mobile app powered by Tapatalk
    2015 FZS SVHO Dean's Team Flash, 4" CAI, Ribbon Delete, TJ exhaust mod, Jim's Modded waterbox, Modded stock intake grate, Solas 13/18R, Fizzle Y1000, Tial, Jims plate, Coco, Riva sc shaft, lucky 13 cone.
    Tags: None
    • #2
      did you try new plugs first?
      No Free Rides

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        • #3
          It could be bad fuel too.
          sigpic

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            • #4
              I haven't tried new plugs. I will try that. It's not bad gas, I've tried many different stations plus the gas is manufactured in town

              Sent from my SM-G930W8 using GreenHulk PWC Performance mobile app powered by Tapatalk
              2015 FZS SVHO Dean's Team Flash, 4" CAI, Ribbon Delete, TJ exhaust mod, Jim's Modded waterbox, Modded stock intake grate, Solas 13/18R, Fizzle Y1000, Tial, Jims plate, Coco, Riva sc shaft, lucky 13 cone.

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                • #5
                  With the TiAl, the line has to be 1/4" but also rigid enough not to collapse under vacuum. That can cause issues like yours.

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                    • #6
                      Originally posted by hotbutta
                      With the TiAl, the line has to be 1/4" but also rigid enough not to collapse under vacuum. That can cause issues like yours.
                      I will look into that. I just used the barb fitting and hose that Fizzle supplied with the intercooler. I would assume that would be good? Thanks
                      2015 FZS SVHO Dean's Team Flash, 4" CAI, Ribbon Delete, TJ exhaust mod, Jim's Modded waterbox, Modded stock intake grate, Solas 13/18R, Fizzle Y1000, Tial, Jims plate, Coco, Riva sc shaft, lucky 13 cone.

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                        • #7
                          Tried new spark plugs.... nothing changed

                          Sent from my SM-G930W8 using GreenHulk PWC Performance mobile app powered by Tapatalk
                          2015 FZS SVHO Dean's Team Flash, 4" CAI, Ribbon Delete, TJ exhaust mod, Jim's Modded waterbox, Modded stock intake grate, Solas 13/18R, Fizzle Y1000, Tial, Jims plate, Coco, Riva sc shaft, lucky 13 cone.

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                            • #8
                              bypass the BOV and see if the issue goes away
                              No Free Rides

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                                • #9
                                  Originally posted by slothman
                                  bypass the BOV and see if the issue goes away
                                  So that would mean I'd have to pressurize the reference line and plug it?

                                  Sent from my SM-G930W8 using GreenHulk PWC Performance mobile app powered by Tapatalk
                                  2015 FZS SVHO Dean's Team Flash, 4" CAI, Ribbon Delete, TJ exhaust mod, Jim's Modded waterbox, Modded stock intake grate, Solas 13/18R, Fizzle Y1000, Tial, Jims plate, Coco, Riva sc shaft, lucky 13 cone.

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                                    • #10
                                      Originally posted by wilsonma
                                      So that would mean I'd have to pressurize the reference line and plug it?

                                      Sent from my SM-G930W8 using GreenHulk PWC Performance mobile app powered by Tapatalk
                                      you can't go back to OEM set up ?
                                      No Free Rides

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                                        • #11
                                          Originally posted by slothman
                                          you can't go back to OEM set up ?
                                          Well I could but that would mean pulling the intake off and removing the fizzle then installing the oem intercooler.

                                          Sent from my SM-G930W8 using GreenHulk PWC Performance mobile app powered by Tapatalk
                                          2015 FZS SVHO Dean's Team Flash, 4" CAI, Ribbon Delete, TJ exhaust mod, Jim's Modded waterbox, Modded stock intake grate, Solas 13/18R, Fizzle Y1000, Tial, Jims plate, Coco, Riva sc shaft, lucky 13 cone.

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                                            • #12
                                              Just crimp the vacuum line that's it.
                                              sigpic

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                                                • #13
                                                  Originally posted by RIVERA RACING
                                                  Just crimp the vacuum line that's it.
                                                  Wouldn't the bov open once boost is made after the spring pressure is overcome?

                                                  Sent from my SM-G930W8 using GreenHulk PWC Performance mobile app powered by Tapatalk
                                                  2015 FZS SVHO Dean's Team Flash, 4" CAI, Ribbon Delete, TJ exhaust mod, Jim's Modded waterbox, Modded stock intake grate, Solas 13/18R, Fizzle Y1000, Tial, Jims plate, Coco, Riva sc shaft, lucky 13 cone.

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                                                    • #14
                                                      I think it will still operate under boost
                                                      No Free Rides

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                                                        • #15
                                                          You should put fresh fuel you might have bad fuel.
                                                          sigpic

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