Originally Posted by alx8283
Recently, I had a similar issue. Fluctuating boost, then eventually over boost, fuel cut and a cel for the bcs. I checked the oem bcs for proper function and it was fine. It ended up being a split in the boost reference line right by the nipple on the turbo's compressor. I replaced that section of line and everything's a-ok
How will you know if your over boosting?