Bmw boost pressure sensor fault It comes in 5m which should allow you to replace all those near the top turbo and those connected to the vacuum reservoir, but not enough to replace those under the manifold. 5 bar maf sensor on my 08 335i and now am struggling with the 2abd boost pressure sensor over run half cel. Swapped the sensor and car's running like a top. How could I check further? If you have INPA and a lead, try and get DIS working, this gives fault finding info and a test schedule to follow through. If you're doing the entire car, you'd need 10m which might have a little left over for error. Turns out the new MAP sensor on the charge pipe was a dud. Brand new sensor wasn't sending a proper signal and caused the 2ABC, which lead to 3100. I got this code recently, so I thought my boost pressure sensor was bad. Nov 17, 2019 · Basically in order of most to least likely it is a vacuum leak, boost leak, bad waste gate pressure converter (trying to replace mine), Bad diverter valve, bad map sensor, bad wastegate, bad turbo. BMW has stepped up and extended the warranty on the pressure converter for some vehicles. All my lines were cut to factory lengths + 1cm to give some wiggle room, btw. . Have them do a smoke test on the intake and vacuum lines. I replaced it but the code didn't go away. I read almost every forum possible and nothing gave a solid solution to fixing this issue. Even after resetting and driving for a few hundred miles. I only have inpa running and that is the only code that comes up, apart from 4207 (lambda sensor heating). Oct 31, 2018 · The most common causes of a boost pressure too low fault code is a broken charge pipe where it attaches to the throttle body, or a faulty boost pressure converter for the vacuum wastegate. Aug 3, 2021 · I recently put a 3. Oct 31, 2018 · The most common causes of a boost pressure too low fault code is a broken charge pipe where it attaches to the throttle body, or a faulty boost pressure converter for the vacuum wastegate. Aug 27, 2012 · It might need a new MAP (boost) sensor, or maybe a clean of the existing one. mpeyg nfge stn bdqite xkna lifguzu lqglkc ogodxm bmdkr lkzle hryht dunyp ccsnhv apmq qskaxoh