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MK4 Discussion area for the new fourth generation Golf IV, 337, R32, 20th and Jetta IV produced from 1998 to 2004.5 including Cabrio models.

       
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  #1 (permalink)  
Old 11-27-2005, 01:15 AM
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Default boost problem

im not happy with my car at all, i got the n75 valve but never installed it?...the cars fast but the boost just stops and runs kinda weird, should i just put it on tom? and ordering a lower intercooler pipe and boost gauge so i dont have to go throw this BS again. i know the car has more power somethings just holding it back...
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2002 Gti 1.8t
Revo Stage 2 w/ 4 bar fpr
GHL 3" downpipe
Custom 2.5" catback
APR turbo inlet hose
Custom Short ram intake w/ K&N filter
Hyperboost diverter
ECS race n75 valve
GHL lower intercooler pipe
Descreened MAF
B&M short shifter
BF Industries motor/trans mounts
Autometer cobalt boost gauge
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  #2 (permalink)  
Old 11-27-2005, 10:08 AM
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PUT IT ON!
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  #3 (permalink)  
Old 11-27-2005, 11:13 AM
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the N75 should smooth your boost curve, but it shouldn't be holding it back unless its in limp and you would definaly know it... it could possibly be a leak
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  #4 (permalink)  
Old 11-27-2005, 02:06 PM
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wher u think the leak would prob be?
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2002 Gti 1.8t
Revo Stage 2 w/ 4 bar fpr
GHL 3" downpipe
Custom 2.5" catback
APR turbo inlet hose
Custom Short ram intake w/ K&N filter
Hyperboost diverter
ECS race n75 valve
GHL lower intercooler pipe
Descreened MAF
B&M short shifter
BF Industries motor/trans mounts
Autometer cobalt boost gauge
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  #5 (permalink)  
Old 11-27-2005, 03:22 PM
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Do you have a diverter valve or a blow off valve? I never knew Turbo XS made a DV.
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  #6 (permalink)  
Old 11-27-2005, 05:48 PM
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turbo xs bypass valve
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2002 Gti 1.8t
Revo Stage 2 w/ 4 bar fpr
GHL 3" downpipe
Custom 2.5" catback
APR turbo inlet hose
Custom Short ram intake w/ K&N filter
Hyperboost diverter
ECS race n75 valve
GHL lower intercooler pipe
Descreened MAF
B&M short shifter
BF Industries motor/trans mounts
Autometer cobalt boost gauge
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  #7 (permalink)  
Old 11-27-2005, 10:30 PM
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Have you had it scanned for codes?
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  #8 (permalink)  
Old 11-28-2005, 09:12 AM
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no but im gonna go to a local vw shop wher i got my revo, see if he can scan for anything
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2002 Gti 1.8t
Revo Stage 2 w/ 4 bar fpr
GHL 3" downpipe
Custom 2.5" catback
APR turbo inlet hose
Custom Short ram intake w/ K&N filter
Hyperboost diverter
ECS race n75 valve
GHL lower intercooler pipe
Descreened MAF
B&M short shifter
BF Industries motor/trans mounts
Autometer cobalt boost gauge
Reply With Quote
  #9 (permalink)  
Old 11-28-2005, 12:48 PM
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Has it always been this slow or did it start recently?
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  #10 (permalink)  
Old 11-28-2005, 09:12 PM
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just recently, i sold the plan n75 and thinking of the n75k valve, heard it was the best from the other thread and ordered a lower intercooler...i just want to have my boost flow freely as possible...buying all i can to make it actually run well. it was running fine tonight(fast) so im guessing its just those things, who knows
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2002 Gti 1.8t
Revo Stage 2 w/ 4 bar fpr
GHL 3" downpipe
Custom 2.5" catback
APR turbo inlet hose
Custom Short ram intake w/ K&N filter
Hyperboost diverter
ECS race n75 valve
GHL lower intercooler pipe
Descreened MAF
B&M short shifter
BF Industries motor/trans mounts
Autometer cobalt boost gauge
Reply With Quote
  #11 (permalink)  
Old 11-28-2005, 09:12 PM
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Default

lower intercooler pipe i might add
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2002 Gti 1.8t
Revo Stage 2 w/ 4 bar fpr
GHL 3" downpipe
Custom 2.5" catback
APR turbo inlet hose
Custom Short ram intake w/ K&N filter
Hyperboost diverter
ECS race n75 valve
GHL lower intercooler pipe
Descreened MAF
B&M short shifter
BF Industries motor/trans mounts
Autometer cobalt boost gauge
Reply With Quote
  #12 (permalink)  
Old 11-28-2005, 11:13 PM
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mmm yea a boost guage will help and the L.I.P will make it boost qicker also a TIP
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  #13 (permalink)  
Old 11-29-2005, 06:57 AM
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did you put it in yet ?
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  #14 (permalink)  
Old 11-29-2005, 07:45 AM
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i didn't like my n75j at all. it smoothed it out, but lowered the boost. i sold it a week later for the same price i bought it for. it's worth a try though.
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  #15 (permalink)  
Old 11-29-2005, 09:34 AM
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K it is then
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2002 Gti 1.8t
Revo Stage 2 w/ 4 bar fpr
GHL 3" downpipe
Custom 2.5" catback
APR turbo inlet hose
Custom Short ram intake w/ K&N filter
Hyperboost diverter
ECS race n75 valve
GHL lower intercooler pipe
Descreened MAF
B&M short shifter
BF Industries motor/trans mounts
Autometer cobalt boost gauge
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