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View Full Version : s3 seems the boost drops off need help



robbie282
31-05-2009, 09:41 PM
just bought an s3 225 version. found that you can hear it on full boost but then at around 3500 rpm it drops off. and in 6th gear throttle to floor accelerating from 50 it seems to stop at 80 and takes ages to accelerate up. since then i have replaced air filter to k&n induction, the standard dump valve to a recirculating forge one also the maf sensor. im really stuck on what to do next. n75 valve maybe? cheers rob

SEMKY
05-06-2009, 11:25 AM
Do any fault codes show up on VAG-COM?

sr-performance
09-06-2009, 05:41 PM
Hiya amte, agree with semky have it on diagnostics, cheaper than guessing.. :beerchug:

robbie282
10-06-2009, 03:09 PM
hi mate after reading many posts about the n75 valve found a small hose off the actuator. problem solves drives sweet now . thanks neways :D

sr-performance
10-06-2009, 04:21 PM
nice cheap fix... :beerchug:

robbie282
14-06-2009, 03:19 PM
yeah thanks god. hopefully getting it on coilovers and remap for gti inters on 27 :D:D just got the exhaust done sounds nice. what do you think about remaps revo or go to awsome gti n get it on roiling road remap? cheers rob

SEMKY
14-06-2009, 05:29 PM
Nice one Rob...love those easy fixes! What exhaust have you had? Tempted by a milltek myself, but buying a motorbike first for the summer.

I had a revo remap done about a year ago, which has been great, and can't complain. but think if I had done more research, a non generic map on a RR would be better for your specific car.
Just make sure its filled with Shell V-Power before hand! ;)

sr-performance
14-06-2009, 10:52 PM
Hi Rob, what years your A3? our maps are all non generic and are custom mapped for each car. even better now you've had exhaust fitted... :beerchug:

robbie282
16-06-2009, 08:37 PM
hi ive got a mij exhaust. just a custom one. i was going to with milltek but to be onest you dont get much gains from exhaust unless its got not cat and its turbo back. i only got cat back. so didnt want to pay the extra 300 pound.
with the remap im just consideringeither revo or a rr remap. aslong as it does the trick and is perfect for the car im not bothered which company i use. where are you based and whats the prices etc. thanks rob

sr-performance
16-06-2009, 09:17 PM
Hi Rob,
i'm based near worksop, but mobile so can come to you.. £280 for a custom map with lifetime warranty etc.. no extra's we come to you... :)

robbie282
18-06-2009, 10:16 AM
sounds like a decent price. would you be able to put it on a rr. is it more accurate tuning like that? i live near middlesbrough. is that far from you?

sr-performance
18-06-2009, 11:00 AM
hiya mate, the rolling road wont make any difference to map as you use same tool to read then it is modified on pc software, then put back into car via obd.. exactly same result.. :)

robbie282
18-06-2009, 12:01 PM
is any one going to the gti international on the 26th n 27 this month? just wondering is the revo stand going to be their they wer offering big discounts on the remaps. just bought me self some bbs ch wheels :D hope i get them in time for the day :D lol