Just after some advice with a boost issue on my 2012 WRX.

Driving to work this morning, all normal when driving off boost.

Put my foot down, massive air rushing sound and no power. Obviously a boost leak, maybe a pipe popped off somewhere. Given im not very mechanically minded, where should I check first?

Also the only mod I have besides suspension is a catback exhaust....would this cause the boost to spike at all thus causing pipes to blow off?

Also if i cant fix the issue myself, do you think Subaru will look at it under warranty or will they tell me to get stuffed due to exhaust mod?

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Ben
MY12 WRX Hatch

Exhaust mod would have not induced boost leak.

Take it to Subi

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I am only an asshole on the internet :)

[SIGPIC][/SIGPIC]

Cheers. Just booked it in with Subaru for later in the week.

Might try see if I can see anything myself. Havent had a chance to look yet.

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Ben
MY12 WRX Hatch

Check the top mount fittings. We had a few issues of the vacuum hose coming off.

Cheers,
Mao

hose from intercooler to throttle body, check the hose clamps because they always come loose and cause the exact issue your describing

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2000 WRX - Grip King
1997 Sileighty - Gate Monster

Thankyou guys. I just found some threads on NASIOC with a bunch of people saying exactly the same thing, common issue.

Will check it out.

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Ben
MY12 WRX Hatch

Yep was the hose that MattuZ mentioned, though it had a split in it rather than coming loose. Was fixed under warranty anyway!

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Ben
MY12 WRX Hatch

iv seen a few crack or skit the gasket connecting the bov to the intercooler aswell but as you said its under warrenty so get subaru to fix it

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Marti


Car: C Red S13 Silvia 2.3l 400+rwhp-SOLD
Daily ae82 4age corolla (light mods)-Sold
Daily:SWB GQ Patrol
Will be a 03-04 STI next

Well this issue raised its head again, this time a blown cooler pipe.

City Subaru are suggesting its due to my catback exhaust causing boost spikes. Is this possible given its catback only? Engine is 100% stock.

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Ben
MY12 WRX Hatch

No.

Tell them to prove it is spiking so hard to rip apart intercooler lines (you would be getting CEL's).

I would guess it wasn't fixed correctly in the first place if it has failed again so quickly.

If it is the same hose that has gone, maybe consider replacing it with a quality silicone part and better clamps once you are out of warranty.

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[COLOR="Gray"]550Nm off a 2L... Just wish it was in the dak dak...[/COLOR]