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#1
06-13-2008, 05:39 PM
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car is bogging
ok i have a 92 tsi and recently i put a front mount on it, 255lph fuel pump, AEM vaccum operated pressure regulator, manual boost controller, arp head bolts, intake. exhaust, that is about it for after market mods. but the car has been running fine and last night i was racing alittle and all of a sudden when i go to give it a good amount of gas it boggs as if it is running to rich or like when the motor is cold. the boost is at 16 pounds and the fuel pressure is 37-38 at idle. it just feels like it has been running way to rich when i give it gas now. any ideas? is there anyway i can adjust my boost gauge and fuel pressure to make the car not do this? please let me know thanks.
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#2
06-13-2008, 05:49 PM
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Re: car is bogging
Do a boost leak test.
__________________
98 Eclipse GS Turbo Megasquirt 2 - Holset HY35 Turbo - Built motor - P&P Head and Intake - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - Aeromotive AFPR - 650cc Injectors - Fidanza Flywheel - Zoom clutch - 13" Cobra Front Brakes - AEM WB - Devilsown meth injection - 3.55 Final Drive gear ratio 1981 Chevy Scottsdale 1987 Nissan 300zx - Chump Car 2001 BMW 325i - DD
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#3
06-13-2008, 05:57 PM
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Re: car is bogging
yea i just thought of that because my piping is not welded. i have couplings. and all of the couplings are 2 ply silicone. but three of them are just rubber, so do u think i might of bursted one of the rubber couplings? cause i dont think they are very good for boost.
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#4
06-14-2008, 08:12 AM
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Re: car is bogging
yea this is pretty typical of a leak which is sprung but will only open at a certain amount of pressure. LIke at vac it is fine but when pressure builds up it springs open and causes you to run excessively rich. It happened to me with my stock
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FP 18g turbo e3 o2 & mani, 3" exhaust, , 7 bolt, wiseco/eagle, walbro 255hp re-wired, Aeromotive FPR, FIC 1150cc, injen intake, greddy RS, aem wideband, turbo xs mbc, act 2600 clutch sprung 6 puck, BC 272's, dsmlink v2.5, ETS FMIC, Devils Own, JMF SMIM. 18 Inch chrome rims In closet AEM Fuel Rail, SS Lines, 1997 TSI AWD Diamonds Are 4Ever 12.7 @ 107 http://i83.photobucket.com/albums/j2...y/DSC00461.jpg
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