blown turbo or differnt issue? need some serious help

**jankaroni** · 12-22-2008 07:09 PM

So I just went to my brothers house, on the way there i pass some old women and the car acts completely normal. I get to his house, go in, come out and leave then I immediately realize my car has no balls.

If you accelerate hard it will go to about 3 PSI max then drop back to 0 psi. The car idles and runs completely normal except no boost. The vacuum is right where it always is to at idle about 21-23mmHg No CEL or anything.

The only things done to the car is APR tune, APR R1 diverter valve, exhaust and an intake.

I am wondering if it might be something wrong with the software because it wont accept my access code to switch programs, like the thing has locked me out.

Any help will be GREEEEEEEATT, I have a VAGCOM too so if you need me to log any blocks or anything to get a better diagnosis let me know. Thanks in advance.

**zrowcool** · 12-22-2008 07:32 PM

boost leak? i had a similar issue when i blew an IC hose.

**jankaroni** · 12-22-2008 07:37 PM

Would I still hear the turbo spooling though? I couldn't really hear it, I could still hear a little bit of air released when I would let off the gas, but I didn't notice the turbo spooling sound as I normally would.

**jankaroni** · 12-22-2008 07:41 PM

just scanned with the VAG and i have 2 fault codes

17522 O2 Sensor internal resistance too high
17963 Charge Pressure: Maximum Limit Exceeded

with the 17963 code on does that mean I would be in limp mode?

**lifwanian** · 12-22-2008 08:06 PM

Not sure about the codes, but please keep us updated... I had the same thing happen to me. All I have is an MTM stage 1+ chip...

I took of my stock diverter valve, cleaned it out, and put it back on and it kinda fixed it... Its not as fast as it was when I first put it on, but still faster than a stock 1.8t

I'll get a forge splitter on it soon, but until then keep us updated :)

**zrowcool** · 12-22-2008 08:14 PM

1st code is for the 02 but the second it from a boost leak. i had the same code on mine. i wouldnt hear any spool but out of boost it ran fine since the hose was butted up against the pipe. once i boosted i hit 3psi and then it wouldnt do anything else.

**jankaroni** · 12-22-2008 08:20 PM

Originally Posted by zrowcool

1st code is for the 02 but the second it from a boost leak. i had the same code on mine. i wouldnt hear any spool but out of boost it ran fine since the hose was butted up against the pipe. once i boosted i hit 3psi and then it wouldnt do anything else.

Where was your boost leak if you don't mind me asking? that way I have an idea as to where to start when i check it out tomorrow.

**maxspeed** · 12-22-2008 08:40 PM

2nd code is overboost = limpmode

**zrowcool** · 12-22-2008 09:21 PM

mine was on the charge pipe of my fmic. i dont know if you have one or not but if you do i'd check there. if not then the tip would or throttle body hose would be my best guess

**jankaroni** · 12-22-2008 09:24 PM

Originally Posted by maxspeed

2nd code is overboost = limpmode

i am gonna try clearing out the code before I go to work in the morning and see what happens, if that doesnt return it to normal i will look for the boost leak

**jankaroni** · 12-23-2008 10:29 AM

So i cleared the code and it is running normal again now. I am still gonna check for boost leaks though just to be safe.

**jankaroni** · 12-23-2008 05:06 PM

Checked for boost leaks and didn't find any to my knowledge. I am guessing the boost must have spiked just a little to high and put the car into limp mode.