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Author Topic: Boost dropping off  (Read 3390 times)

Offline Carl123

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Boost dropping off
« on: March 21, 2015, 02:41:39 pm »
Just a curious question my boost peaks about 17psi but drops off below 15 in some gears is this normal or have I got a issue somewhere cheers
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Offline john87

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Re: Boost dropping off
« Reply #1 on: March 23, 2015, 12:25:11 pm »
If you have a GTI, have you had your Diverter Valve replaced?

These are a common item to fail on the mk5, particularly the standard GTI due to its' placement right next to the turbo.
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Offline Carl123

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Re: Boost dropping off
« Reply #2 on: March 23, 2015, 04:48:35 pm »
Quote from: john87 on March 23, 2015, 12:25:11 pm
If you have a GTI, have you had your Diverter Valve replaced?

These are a common item to fail on the mk5, particularly the standard GTI due to its' placement right next to the turbo.
Yes it's a mk5 gti owned it for about 8-9 months now I've had a few problems with it but just doesn't feel as quick as it used to i havnt had the diverter changed according to the guy I bought it off it's got a forge one on it never had time to look at it....you think that will be the problem tho??
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Offline muff1991

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Re: Boost dropping off
« Reply #3 on: March 24, 2015, 12:36:08 pm »
has it been remapped?
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Offline Carl123

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Re: Boost dropping off
« Reply #4 on: March 24, 2015, 03:53:21 pm »
Quote from: muff1991 on March 24, 2015, 12:36:08 pm
has it been remapped?
Yes it's only running on a bluefin map tho not the greatest
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Offline muff1991

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Re: Boost dropping off
« Reply #5 on: March 24, 2015, 06:03:31 pm »
I just wondered when you said about the boost peaking higher than standard lol
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Offline Carl123

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Re: Boost dropping off
« Reply #6 on: March 24, 2015, 06:31:11 pm »
Quote from: muff1991 on March 24, 2015, 06:03:31 pm
I just wondered when you said about the boost peaking higher than standard lol
Oh I see Yh it's running about 270bhp-ish never had it on a dyno but one of my mates has a 61plate s3 and I more or less sit beside him all the way  :happy2:
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Offline muff1991

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Re: Boost dropping off
« Reply #7 on: March 25, 2015, 10:20:40 pm »
Wow, that's impressive can't exactly knock the Blu fin for that, I want to fit a boost gauge to mine so I can see what's going on but don't know which one to get??
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Offline Carl123

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Re: Boost dropping off
« Reply #8 on: March 25, 2015, 11:17:58 pm »
Quote from: muff1991 on March 25, 2015, 10:20:40 pm
Wow, that's impressive can't exactly knock the Blu fin for that, I want to fit a boost gauge to mine so I can see what's going on but don't know which one to get??
Nah I'm hoping with a decent map I'll get a lil more but will just be better Rev range with right fueling etc...mines a new South performance gauge with vent pod come with the car but I'm sure you can get them from awesome gti  :happy2:
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Offline muff1991

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Re: Boost dropping off
« Reply #9 on: March 26, 2015, 07:03:20 am »
That's the gauge I'm thinking of getting in the drivers vent, do you know if awesome sell them as a whole set up kit? Cheers
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Offline Carl123

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Re: Boost dropping off
« Reply #10 on: March 26, 2015, 07:52:26 am »
Quote from: muff1991 on March 26, 2015, 07:03:20 am
That's the gauge I'm thinking of getting in the drivers vent, do you know if awesome sell them as a whole set up kit? Cheers
Just had a look by the looks of things there seperate vent is like £70 and gauge is like £50 hope this helps
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Offline muff1991

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Re: Boost dropping off
« Reply #11 on: March 26, 2015, 07:53:19 am »
Cheers for looking Carl. I'll do some research today and just order one thanks
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Offline muff1991

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Re: Boost dropping off
« Reply #12 on: March 26, 2015, 08:49:59 pm »
Ordered both :-)
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Offline Carl123

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Re: Boost dropping off
« Reply #13 on: March 26, 2015, 09:49:17 pm »
Quote from: muff1991 on March 26, 2015, 08:49:59 pm
Ordered both :-)
Nice you won't regret it nice bit of kit fits really well too
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Offline muff1991

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Re: Boost dropping off
« Reply #14 on: March 26, 2015, 10:06:23 pm »
Cheers, is it fairly easy to fit?
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