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Crazy boost.. limp mode wth?

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  • Crazy boost.. limp mode wth?

    Hey guys tonight driving back to my parents I pass a car going like from 120-140ish and i'm boosting and hear this kinda pop noise like ass if my intake filter imploded.. i was like WTF! so i try to gas it after i get back in my lane and my boost guage hits 5PSI.. i'm thinking mmmm great my DV is dead or i hit limp mode... well for the last few months my APR has never spiked past 18 and just holds 15 (which is fine cuz it holds right) so I'm like whatever and drive into a small town in the middle of central ab.. and shut off my car wait 5 minutes and leave.. well not my car drives like a bat outta hell! i'm spiking to 22psi!! and holding more than 15! its like i was rechipped.

    what the hell did my ECU do? i know the air is really crisp out right now could that be the cause? and then driving the rest of the way home i could get it to hit limp mode whenever i wanted to and would just neutral shutoff back on and it would be back to normal.

    very strange.. anybody know whats up with that?

  • #2
    Re: Crazy boost.. limp mode wth?

    ya me too! lol

    2002 VW Golf GT TDI
    2016 VW Passat BiTDI

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    • #3
      Re: Crazy boost.. limp mode wth?

      Nice!
      2006 Colorado Xtreme | AEM CAI | Walker exhaust | smoked glass | -1" dropped rear | Avic D3 | 8000K HID's
      2002 GTI 1.8t | C1 SS | Upsolute 94 oct | Brullen 2.5" DP | Supersprint catback | Poly mounts | 19" Privat's | FK 55 kit | Projector lights | EVOMS CAI
      2000 GSXR750 | Hindle Race exhaust | Telefonica replica | K&N intake | Custom ECU

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      • #4
        Re: Crazy boost.. limp mode wth?

        Originally posted by bart
        ya me too! lol
        Nice photochop Bart If you ran that much boost you would be rebuilding your motor again
        Name: Brent
        His: '04 TDI Golf Mods: None If it's smoken it ain't broken
        Family: '15 Jetta Sportwagon
        Fun car: '92 Blue Karmann Crabby Cabby Mods: Coils, front and rear swaybars, LED interior lights and some other old things.

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        • #5
          Re: Crazy boost.. limp mode wth?

          well... give me a few days plz!
          2002 VW Golf GT TDI
          2016 VW Passat BiTDI

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          • #6
            Re: Crazy boost.. limp mode wth?

            Stock n75 valve?
            2008 BMW 135i | M Package | JB3 | DCI | BMW Performance Exhaust

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            • #7
              Re: Crazy boost.. limp mode wth?

              guys this isn't vortex i kinda would like a real answer

              yes qua stock dv/n75 setup

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              • #8
                Re: Crazy boost.. limp mode wth?

                That sound is limp mode. Throttle body closes, DV opens, all kinda stuff happening.

                Things you can do... throttle body alignment - leave key in on position for about 2 mins before you start you car... you can also check your hoses for leaks too. If air is bleeding from the wastegate lines, you'll boost a little higher.

                Could be related to other things too I guess, various sensors, etc.

                Or go back to C1 and complain that your APR program is putting you into limp mode!
                Last edited by Kor; 10-30-2004, 01:14 PM.
                KR
                Porsche 991 Carrera S

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                • #9
                  Re: Crazy boost.. limp mode wth?

                  haha.. oddly its the 1st time since i've been chipped so i have no clue.. i have my laptop/vagcom with me so i will do a TBA today since the engine is cold now and scan for codes

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