Wastegate issues...i think

Spy_91 · 06-04-2012, 06:38 PM

I haven't had much time to work on the car cause i'm trying to finish our house. Nevertheless, i finally got around to installing the new BPV (Bosch #0 280 142 110) and reset my EBC using the self learn mode. I could blow thru the original BPV so it was bad. The car boosts better now, but there is a woot or hoot sound at high boost levels and there is a lag around the same time of the woot sound. It didn't make this sound before. Is that normal? I bought new hoses that reduce from 1" to 3/4" so everything fits properly. I've read other threads that say the wooting noise is common with improperly adjusted BOV/BPV. But the bosch isn't adjustable....

Really hope i didn't buy a defective BPV. I couldn't blow any air thru the new bosch BPV so I assume its working properly. Anyone else have this wooot sound with their bosch?

The error code is 34 - abnormal boost pressure. I dont think i hit the 12 psi fuel cut, I think the abnormal boost pressure caused the car to shut down and the check engine light to come on, and i mistook it for "fuel cut." This happens every time I set the EBC to override OEM settings... around 5-6 psi at wide open throttle the car shuts down. Would an improperly tuned EBC cause this?

I still need to check the wastegate actuator with the bicycle pump and see if it functions properly. I will post what i find.

06-04-2012, 06:38 PM	#5
Spy_91 Stock Join Date: Feb 2012 Location: Kansas Posts: 8	Update.... I haven't had much time to work on the car cause i'm trying to finish our house. Nevertheless, i finally got around to installing the new BPV (Bosch #0 280 142 110) and reset my EBC using the self learn mode. I could blow thru the original BPV so it was bad. The car boosts better now, but there is a woot or hoot sound at high boost levels and there is a lag around the same time of the woot sound. It didn't make this sound before. Is that normal? I bought new hoses that reduce from 1" to 3/4" so everything fits properly. I've read other threads that say the wooting noise is common with improperly adjusted BOV/BPV. But the bosch isn't adjustable.... Really hope i didn't buy a defective BPV. I couldn't blow any air thru the new bosch BPV so I assume its working properly. Anyone else have this wooot sound with their bosch? The error code is 34 - abnormal boost pressure. I dont think i hit the 12 psi fuel cut, I think the abnormal boost pressure caused the car to shut down and the check engine light to come on, and i mistook it for "fuel cut." This happens every time I set the EBC to override OEM settings... around 5-6 psi at wide open throttle the car shuts down. Would an improperly tuned EBC cause this? I still need to check the wastegate actuator with the bicycle pump and see if it functions properly. I will post what i find.