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+--- Thread: Boost getting a bit weak. (/showthread.php?tid=10269)
Boost getting a bit weak. - WiNgNuTz - 28-01-2013
Ok, so before the ace meet this month, I'd been noticing the dt has been getting a bit - for want of a better word - asthmatic. Doesn't seem to want to boost as hard as it has been, and ive not changed the tune at all in over a month. Now, when I got home from ace, I found it was running really well...peaking at 19-20psi,and spooling up nice and quick. Figured the long run helped blow the cobwebs out, as such.
But then last night, I'm going up the same hill I always enjoy ragging up, and the old girl barely managed 14psi at 4.5k! I don't think there would have been a lack of nice cold air, so my other thought is maybe the wastegate could be starting to fail? I'm a self-confessed n00b when it comes to diesel turbos, but im here to learn, same as everyone else, so anyone like to offer some much appreciated advice?
RE: Boost getting a bit weak. - CJ_Derv - 28-01-2013
Possibly wastegate, what filter if any do you have on it pal
RE: Boost getting a bit weak. - WiNgNuTz - 28-01-2013
defiltered at the moment, keep meaning to put it back together, but weathers been crap recently (as we're all aware!
), and it does sound nice defiltered.
RE: Boost getting a bit weak. - jpderv - 28-01-2013
if your wise mate youl put some sort of filter on it i was running defilterd as like you loved the sound of the spool up.
drove through a puddle and this happened
![[Image: 14791_4427378402297_799663289_n.jpg]](http://i787.photobucket.com/albums/yy156/jpderv/14791_4427378402297_799663289_n.jpg)
RE: Boost getting a bit weak. - 4WayDiablo - 28-01-2013
Ruled out any leaks?
My turbo-ic pipe rubbed against the MC and gave a slowly worsening leak
(28-01-2013, 07:10 PM)jpderv Wrote: if your wise mate youl put some sort of filter on it i was running defilterd as like you loved the sound of the spool up.
drove through a puddle and this happened
Don't drive through puddles defiltered :-)
RE: Boost getting a bit weak. - WiNgNuTz - 28-01-2013
(28-01-2013, 07:10 PM)4WayDiablo Wrote: Don't drive through puddles defiltered :-)
This. I have had to restrict myself to automotive puddle jumping ONLY in the work van, as im not up for sucking water into my turbo.
(28-01-2013, 07:10 PM)4WayDiablo Wrote: Ruled out any leaks?
My turbo-ic pipe rubbed against the MC and gave a slowly worsening leak
Thats the other reason i wanna put the intake back together phil, but my theory at the moment is why would a boost leak get better over a long run, then gradually worse again...
RE: Boost getting a bit weak. - Eeyore - 28-01-2013
(28-01-2013, 06:58 PM)WiNgNuTz Wrote: defiltered at the moment, keep meaning to put it back together, but weathers been crap recently (as we're all aware!
doh! the very time you need a filter most is the same time that its not nice to go out and fit it!
RE: Boost getting a bit weak. - WiNgNuTz - 28-01-2013
Yeah exactly...sods law really!
RE: Boost getting a bit weak. - jpderv - 28-01-2013
lol wqould have avoided it if i could but dark road at night car was coming towards me seen naf all until it was to late be the last time i drive without one lol.
good to see you got yours sorted though.
RE: Boost getting a bit weak. - WiNgNuTz - 18-05-2013
Bit of a thread revival, but figured i might as well post in here instead of a new thread.
Still having this problem with lousy boost, getting to the stage now where im barely managing 13-14psi at full chat. There are no boost leaks that i can find, and the smoke billowing from the car is getting a bit much now. Baring in mind the pump was tuned to produce 18-19psi at best, and its gradually dropped off since then, havent touched the pump, so its still putting 18-19psi of fuel in, but the turbo is only generating 14psi at absolute most.
Im convinced the wastegate has had it, but i am pretty much unemployed at the moment, after my last boss decided he couldnt afford to keep me on, i cant afford to replace the turbo or anything like that, so im looking for any advice on possible pikey lashups to try and alleviate the problem a bit.
Thanks in advance guys!
RE: Boost getting a bit weak. - WiNgNuTz - 19-05-2013
Well shit, thanks for all the advice people.
RE: Boost getting a bit weak. - Tom - 19-05-2013
If your on a t2 get underneath and yank on the actuator and see how hard/easy it is to move?