i just got a new ss/sc 2 weeks ago and its only runnin 4psi...about 3 months ago the dealer did somehtin to the PCM, would that have anything to do with this...and how can i fix this

 

well the boost gauge isnt mechanical and does get its reading from the PCM.......so maybe what did they do to the PCM and why did they do it?

 

make the dealer fix it. keep taking it back. if your only boosting 4 psi, your guage might be fucked up, or literally your only boosting 4. You should see about 11psi stock

 

well i take it in to the dealer friday to get my headlights adjusted so il have them deal with it...

my friend told me that if i unplug the PCM for a few minutes and connect it back that it will fix the problem...is this true?

 

You need a lot more than 4psi.

 

ya i know, i just noticed this the other day...i dont know y its so low wheher the dealer did it or not

 

Maybe they put a 4.5" pulley on there without you knowing

 

does anybody know where the PCMis located?

 

Its under the hood. If you want to reset the PCM, walk to the trunk and disconnect the battery.

You sure this is under full throttle, right? You won't get full boost sitting at a stoplight.

 

ya last night me and my friend were testin its limits and it was only goin to 4psi

ya we disconnected the battery and it didnt do anything

 

DO NOT DISCONNECT THE PCM!!!!!!!! Discconnect the battery for 20 mins, and the pcm will be reset to stock. IF you have stage II, and you disconnect that battery for 20 mins, it will just reset the computer to the stock Stage II tune.

You HAVE to disconnect it for at least 20 mins.

 

Any chance you accidentally got a gage reading kPa?

 

20 minutes...i only let it sit for like 3 or 4...thanks, and whats a kPa?

i had it disconnected for about 25 minutes and it still isnt fixed any other suggestions or shouldi just let the dealer fix it

 

I say take it back to the dealer, its a warranty issue

 

That doesn't even make sense.. kPa is a significantly higher reading then PSI.

I run a little over 90kPa at WOT which is roughly 13.5psi. (P.S. I'm stock.)

 

sounds like u have a bad cat ur running 13.5 stock

and your math is off,

6.975 kpa per PSI so its roughly 12.9 psi. and our stock guages suck your prolly getting 12.5 only

 

I know it's not possible, but if the gauge was in Megapascals like a WRX it would make more sense haha.

 

Im seeing 15 on a cold night, I have intake, exhaust and a tune

 

megapacals would just read 0.09 instead of ninety lol

id rather read Bar instead of megapascal, i prefer kilopacals to megapascals as i prefer psi to kilopacals lol but inreality there all just gauge pressure, you have to add atmospheric pressure yet to get absolute, k im done being a nerd lol

 

Ok, so no then.

Take it to the dealer.

 

well i disconnected the battery and now my check engine light is on, so im just gonna bitch at the dealer and make them fix it...im pretty sure they r the ones who fucked it up in the first place...

 

Haha, stage II kit has a maximum boost of exactly .1034211 Megapascals.

 

you're running 18.7 psi



figure that one out

 

.128931961 Mpa haha . I'm using a calculator obviously.

 

well 1 megapascal = 145.037738 psi

so if i figure out math wise

i take .1034211 mulitpliy it by 145.037738 psi

you get 14.9999624054718 PSI, lol so 15 psi

who needs a online calculator when u got conversion sheets

i need them daily for work so yah lol