scion-tc-turbo

ok so i was racing an SRT4 on the freeway yesterday and i was winning of course. But i looked at my boost guage and my boost jumped up to 15psi so i got off the gas, it scared me. I have a Tial 38mm with 10psi spring. no boost controller, just running off the spring. Ive been boosted for 6 months and havent ever had this problem. anyone have any ideas why this would happen. Thanks

jaxtcracer

hm.. i'm not sure what the problem is, but free bump for an answer..

rodlandscion

Oh Sh** man finally a neighborhood boosted tc! lol hit me up if you wanna go for a run. And as far as your boost problem i dunno, I'd be a little sketch on the wastegate. Is your car driving fine?

jrodTc

check to see that the vac line going to the wastegate is still working properly and attached.

Mightygnu

^^.. ya check all vac lines. Where did you get your car tuned?

scion-tc-turbo

i tuned my own car

Mightygnu

how did you tune it? with what?

scion-tc-turbo

greddy emanage, and my laptop. I used to tune cars at a performance shop

318_tC

If you used to tune car's you should know where to look and what to look for on the boost creep correct?

scion-tc-turbo

thats what im saying i looked at all the things i could think of, i have no leaks it only happens every once and a while.

318_tC

Hmm weather change, small tear or slice in ur vaccum line from the wastegate, diaphram problem on the wastegate?

scion-tc-turbo

The weather is getting hotter, and im going to replace the vaccum line to see if that helps. but the wastegate is a Tial so i dont think it would be that.

Angry_Celi_Guy

lube the wastegate lightly, might be getting dry with the heat