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Author Topic: Boost problem  (Read 2948 times)

Offline sebby1982

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Boost problem
« on: 13 June 2012, 20:40 »
Hi guys I have a 1.8t aum the problem I am getting is at about 3000rpm I'm loosing boost. It's intermitant sometimes she fly lovely and boost up good but other times it's like driving a standard 1.8, I have checked for leaks visually and it all seems fine the engine management light also comes on with codes p1602 which was voltage supply terminal low,30 voltage low?? Also code 6100 which I could not work out what that was. I had the codes erased twice but obviously it returned after about 100 miles. I was thinking that maby it's the n75 valve not allowing the actuator open so it could be faulty. If anyone knows of this problem please let me know. The most recent work I had done was my gearbox and clutch. The gearbox was a reconditioned one. Thank you guys
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GOLF 1.8T AUM ENGINE, RECARO HEATED LEATHERS, FORGE 007 YELLOW SPRING DV, PIPERCROSS VIS INDUCTION KIT, 4 BAR PRESSURE REG, 2.50mm MILTEC DECAT PIPE AND NON RES CAT BACK, STAGE 2 REVO MAP (229.5 HP 268.6 LB/ ft @ 3813RPM), 18" INOVOTE DTM ALLOYS, CONTI SPT3 TYRES ALL ROUND, WEITEC COILOVERS, ANGEL EYES, DE BADGED, SMOOTHED ORIGINAL REAR BUMPER & R32 FRONT BUMPER, THS FRONT MOUNT INTERCOOLER, BLUE FORGE TIP AND WATER AND BREATHER PIPES, BOOST GAUGE, PRESSED PLATES

Offline sebby1982

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Re: Boost problem
« Reply #1 on: 14 June 2012, 11:15 »
just got fault codes looked at and there was 2 p1128 bank 1 mixture adaption (multi) system too lean, and code 3000 which had no explanation  :angry:
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GOLF 1.8T AUM ENGINE, RECARO HEATED LEATHERS, FORGE 007 YELLOW SPRING DV, PIPERCROSS VIS INDUCTION KIT, 4 BAR PRESSURE REG, 2.50mm MILTEC DECAT PIPE AND NON RES CAT BACK, STAGE 2 REVO MAP (229.5 HP 268.6 LB/ ft @ 3813RPM), 18" INOVOTE DTM ALLOYS, CONTI SPT3 TYRES ALL ROUND, WEITEC COILOVERS, ANGEL EYES, DE BADGED, SMOOTHED ORIGINAL REAR BUMPER & R32 FRONT BUMPER, THS FRONT MOUNT INTERCOOLER, BLUE FORGE TIP AND WATER AND BREATHER PIPES, BOOST GAUGE, PRESSED PLATES

Offline Dalo Harkin

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Re: Boost problem
« Reply #2 on: 14 June 2012, 13:11 »
Have you tried uplugging the MAF, and seeing if it runs better?
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ARZ K03s, Oettinger Side Skirts, R32 front, Carbon stage 2, Forge 007p (yellow spring), Forge Actuator (yellow spring), Pipercross panel filter with DSG parts, N249 and N112 deleted, SAI deleted, Carbon canister deleted, Rear wiper deleted, Long Life turbo back custom exhaust with 200 cell sports cat, VR6/G60 clutch kit, Creation Motorsport TIP, Catch can, 'Wellycooler', K04 charge pipe, S3 ported inlet manifold - looks pretty standard on the outside though :)

Offline sebby1982

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Re: Boost problem
« Reply #3 on: 14 June 2012, 20:09 »
No I have not the boost problem comes and gose than I get the management light every time a different fault code
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GOLF 1.8T AUM ENGINE, RECARO HEATED LEATHERS, FORGE 007 YELLOW SPRING DV, PIPERCROSS VIS INDUCTION KIT, 4 BAR PRESSURE REG, 2.50mm MILTEC DECAT PIPE AND NON RES CAT BACK, STAGE 2 REVO MAP (229.5 HP 268.6 LB/ ft @ 3813RPM), 18" INOVOTE DTM ALLOYS, CONTI SPT3 TYRES ALL ROUND, WEITEC COILOVERS, ANGEL EYES, DE BADGED, SMOOTHED ORIGINAL REAR BUMPER & R32 FRONT BUMPER, THS FRONT MOUNT INTERCOOLER, BLUE FORGE TIP AND WATER AND BREATHER PIPES, BOOST GAUGE, PRESSED PLATES

Offline rio_gti

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Re: Boost problem
« Reply #4 on: 14 June 2012, 20:51 »
N75 dodgy wire/connection??
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2000 GTI 1.8t ARZ, S2000 filter, DSG intake, Forge 007 dv, Catch can, R-tech custom remap, 3" Supersize Silicone TIP, Powerflex dog bone, 'The Beast' FMIC, Ultimate delete, LCR fuel pump, 3" Turbo back, K03 hybrid, Ported Manifold, S3 injectors, 80mm maf = 280bhp 270lbft :evil:

Offline Wazzzer

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Re: Boost problem
« Reply #5 on: 14 June 2012, 22:01 »
my money is on split breather pipes

mixture too lean = air getting in somewhere
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1999 1.8T: R-Tech remap - 225bhp/256lb/ft : K03s : THS FMIC : THS PCR pipe : 2.5" stainless exhaust : THS FR3 Engine mounts : G60/VR6 clutch : Calibra Yellow injectors : VR6 MAF : Devils Own WMI : Forge 007p : Carbonio CAI : Leon Cupra R Brembos : FK AK Street coilovers : Votex skirts : Anniversary front : click ---> http://www.golfgtiforum.co.uk/index.php?topic=92175

Offline sebby1982

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Re: Boost problem
« Reply #6 on: 14 June 2012, 22:42 »
I checked all breather pipes they seem ok going to check the decat pipe when I get a chance to put it in the ramp
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GOLF 1.8T AUM ENGINE, RECARO HEATED LEATHERS, FORGE 007 YELLOW SPRING DV, PIPERCROSS VIS INDUCTION KIT, 4 BAR PRESSURE REG, 2.50mm MILTEC DECAT PIPE AND NON RES CAT BACK, STAGE 2 REVO MAP (229.5 HP 268.6 LB/ ft @ 3813RPM), 18" INOVOTE DTM ALLOYS, CONTI SPT3 TYRES ALL ROUND, WEITEC COILOVERS, ANGEL EYES, DE BADGED, SMOOTHED ORIGINAL REAR BUMPER & R32 FRONT BUMPER, THS FRONT MOUNT INTERCOOLER, BLUE FORGE TIP AND WATER AND BREATHER PIPES, BOOST GAUGE, PRESSED PLATES

Offline dan2252

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Re: Boost problem
« Reply #7 on: 14 June 2012, 23:05 »
Quote from: Wazzzer on 14 June 2012, 22:01
my money is on split breather pipes

mixture too lean = air getting in somewhere

as this guys said. check for air leaks exhuast blow anything breather pipes. and that voltage fault your on about comes in when you let the battery run flat or take battery off
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Offline sebby1982

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Re: Boost problem
« Reply #8 on: 15 June 2012, 05:46 »
Thanks for your help guys
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GOLF 1.8T AUM ENGINE, RECARO HEATED LEATHERS, FORGE 007 YELLOW SPRING DV, PIPERCROSS VIS INDUCTION KIT, 4 BAR PRESSURE REG, 2.50mm MILTEC DECAT PIPE AND NON RES CAT BACK, STAGE 2 REVO MAP (229.5 HP 268.6 LB/ ft @ 3813RPM), 18" INOVOTE DTM ALLOYS, CONTI SPT3 TYRES ALL ROUND, WEITEC COILOVERS, ANGEL EYES, DE BADGED, SMOOTHED ORIGINAL REAR BUMPER & R32 FRONT BUMPER, THS FRONT MOUNT INTERCOOLER, BLUE FORGE TIP AND WATER AND BREATHER PIPES, BOOST GAUGE, PRESSED PLATES

Offline Dalo Harkin

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Re: Boost problem
« Reply #9 on: 15 June 2012, 08:53 »
Id still unplug the MAF and see if it runs better, failing that the pipe after the pancake pipe or on the plate where the N75 and N112 are
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ARZ K03s, Oettinger Side Skirts, R32 front, Carbon stage 2, Forge 007p (yellow spring), Forge Actuator (yellow spring), Pipercross panel filter with DSG parts, N249 and N112 deleted, SAI deleted, Carbon canister deleted, Rear wiper deleted, Long Life turbo back custom exhaust with 200 cell sports cat, VR6/G60 clutch kit, Creation Motorsport TIP, Catch can, 'Wellycooler', K04 charge pipe, S3 ported inlet manifold - looks pretty standard on the outside though :)
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