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November 28, 2024, 06:11:28 pm
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down on power 2005 gti
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Topic: down on power 2005 gti (Read 691 times)
s2martyn
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down on power 2005 gti
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November 06, 2012, 06:27:59 pm »
hi,not mine but my mates gti is way down on power,it is mapped to 270bhp,all been well for 2 years but now its gutless,vagcom shows no faults...apart from the map car has forge diverter,any advise welcome....
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bacillus
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Re: down on power 2005 gti
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Reply #1 on:
November 06, 2012, 07:23:54 pm »
The piston of the forge dv can stick so checking this and relubing may help.
Apart from that you'll really need live vcds logging of at minimum, boost requested vs actual, fuel rail pressure requested vs actual, wastegate duty cycle and CF for all cylinders.
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Without traction power is nothing!
s2martyn
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Re: down on power 2005 gti
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November 06, 2012, 07:26:25 pm »
i allready replaced the fuel pump rocker as the fuel pressure was low,the boost isnt quite reaching the requested,no leaks....could the turbo be worn? 75k car
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s2martyn
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Re: down on power 2005 gti
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November 08, 2012, 12:02:41 am »
i found the forge partially siezed today,so have ordered a service kit,one of the o rings was swollen and there was plenty of crap in there,hope its cured!!
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percy
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Re: down on power 2005 gti
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Reply #4 on:
November 08, 2012, 07:33:48 am »
i had a similar problem and used the service kit which was great but also had to change the n75 valve as mine was the older version that comes with the forge diverter so tghe new one which is slightly uprated solved my problems
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