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95 eagle talon tsi awd cutting after high boost

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Eclipse'd

10+ Year Contributor
114
19
Jan 31, 2011
Jefferson City, Missouri
recently purchaced a 95 eagle talon tsi awd car has a lot of aftermarket parts first ill list them then my problem car has vicous lsd it has full 3" magnoflow exhaust from turbo back it has evo3 16g turbo evo 3 exhaust manifold greddy bov type s greddy fmic greddy pipes accell 8mm wires comp cams 251's has boost controller dk what kind its blue it has areomotive fpr stainless steel oil lines for the turbo k&n intake filter walbro 255 fuel pump 650cc precision injectors aem wideband aem boost gauge it has a flashable chip in it not sure how its tuned oil catch can car has 7 bolt block 6 bolt head car runs and drives fine but when i get on it or just cruising and i hit around 12 psi it veries what psi but it cuts out rpms still rise but it cuts out and car does accelerate anymore cutout doesnt stop till u lower boost levels supposedly it was set up for 15psi not sure i just got it but it seems when u try to give it more gas and boost rises it cuts out bad and wont pull anymore why is it doin this and how do i fix it air to fuel is around 14/15 fpr is around 40 tell me what u think it is and ill see if it works thx
 
This is my friends car not mine, I agreed with you talyn. I suggested either bad fuel filter or a boost leak. now at idle hes runnin around 39-40 on the fpr. Cause as he stated i looked in his ecu, it has a chip already installed, sadly it wasnt red and didnt say ECMTuning. LOL but it HAS been tuned and reads on a little green sticker on this what i assume is a flashable chip that says 650cc, 10:5:1, and that is it. Would anyone recommend slowly upping the fuel pressure to around 42-45 with it being tuned on 15psi and supporting mods of: 650cc injectors, big 16g, evo mani, and a fmic.
 
I think stock fuel pressure is 45 psi...idk why he would run so low. Bump it to 45 psi and see if it helps, still sounds like a boost leak to me though.
 
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