boosting

I have a 2001 Ibiza Cupra and every time i get to around 4000RPM the boost cuts off totally. This doesnt seem to happen in first gear but for all others. :cry: i have taken it to seat and they said it was the MAF . So i had them change that but it is still doing it. I really dont know where to...

right just fitted a new forge 007p dv as the bailys one that was on it was leaking and now my boost gauge is reading about 5 psi lower it use to boost to 16 psi then drop and hold at 15 psi but now it seems to boost up to about 12-13 psi and hold ther:confused: is this becouse it dont have to...

Evening all Im just wondering if you guys can help me at all basically, my boost is all over the place, when i plant my foot at 2000rpm the boost goes to what it normally does, around 18psi, then immediately drops off to around 12psi, and you can feel it holding back, then it will go to...

this doesnt happen all the time but its happening a bit more than normal now, put my foot down somtimes and the turbo refuses to spool as normal,has a 2-3 sec lagg then spikes to full boost as normal. what could be the problem, suspecting sticking DV??

Hey peeps, Was driving the other day and when my car tried to fully boost my car would judder/popping noise from exhaust (very quick popping) and would go into limp mode this would happen in 3,4 and 5th gears and also sometimes cut out if i stopped, so i disconnected me maf sensor and it...

hi iv had my cupra for 24 hours :(! it stops boosting at 2500 rpm (never did it b4) you hear it spool up and hits 2500 and stop and jus sluggish as hell. checked for boost leak, intercooler normal little checks you can do. its completely standard 36,000 miles fsh. had it on snap on...

My boost seems to be all over at the moment , it should hold 1.4 bar but seems to spike to 1.6 and drop back to 1.1 - 1.2 ish i did a maf reading and the most i got was 227 g/s at around 6000rpm. I need to check actual vs requested boost but the car is at JBS tomorrow for a service so iv...

I just got my k03s this morning... And am gonna fit it my self...I have a good enough idea on what todo.. do i remove tip and undo Downpipe to the wastegate then Undo the 3 3 bolts to the manifold... Then is there a oil return feed to the turbo ? Does that simple unscrew and there 2...

well it's begun.... just ordered my ATP GT2x with the ATP tip as well - £1065 (they now have stock so a couple of weeks for delivery) I have put prices next to everything so people get an exact idea of how much this all costs for a complete and proper stg3 setup Engine modifications...

I have just been down to visit relatives for the day, and on the way back, just after a good bit of spirited driving on the motorway, it started only boosting to 5psi and will not rise any further. No lights on the dash for miles and miles of it doing it, then when very near home the Engine...

Ok so my original problem was that the car would over boost and occasionally get a splutter. Now it peeks boost normally but slowly drops down in pressure and still occasionally get a splutter which in turn cuts out all boost etc. Ive check all of the hoses and had the DV off, the spark...

Hi! Ive spent some time searching the forums to try and find an answer for this but to no avail. Basically i normaly peek boost at around 14psi, last night on my way home i was peeking at around 20psi and with alot of spluttering. This morning im boosting up to around 20 psi again but no...

Right i took the G/f to work this morning and after i drop her off i had a little sprinted drive on the way home anyway on 2nd at 3k and 5rpm it would not boost... you can here the turbo spool but it just keeps climing slowly then at say 4rpm will boost then cut off..like its missing but when...

hi all as the title says trouble with low boost again i decided to change the pipe on my turbo gauge the other day and since then my readings have been lower checked the pipe for holes nothing also been having problems with boost rising and falling about 1psi either way the car has been mapped a...

Past few days the cars not boosting right! its a seat leon 1.8T sports - P torque remap as well :D i measured the blocks 115, actual vs requested. when you put your foot down the car dosnt seem to pull till it hits 3500rpm. so the actual boost slowy shoots up to the same as requested...

Ive done a search and cant find anything can someone help me what should the standard boost figures be for a 225 LCR and then what should i be looking for after a st2 remap. Rikko

I have an 03 Cupra which has recently had Jabba's stage 2 remap done on it. When I picked the car up it seemed loads quicker and I was reallyl pleased! Over the last week or so I can get in the car and it'll seem like it was never remapped or lacking lots of boost. If I switch the engine...

Boosting Problems & Engine Management Light **HELP**UPDATED** Hi All, Just been out in my LCR and it has just suddenely developed boositing broblems after 3k rpm and it jerks about and then engine management light starts flashing at the same time..?? I have searched but I could not find...

right just been out and suddenly i loose all boost, put my foot down and the boost gauge goes to 0psi and the car doesnt accelerate, same in every gear? Now when its idling its erratic. the TCS light has also come up on the dash - permanently. Just done a quick vag com and it came up as 16487...

Hi Guys, Before i did my N249 bypass the car used to surge a lot with the boost, so as part of a cure for this i did the N249 bypass! Great stuff, its stopped the surging! But i now have a new problem. Sometimes the car will go in to limp, its happening quite often now, will go to limp...