Hi mituc,
thanks for the input! Yeah, the intake before turbo was also my suspicion - will investigate it further.
Search found 2 matches
- October 13th, 2026, 4:15 am
- Forum: MAZDASPEED3/Mazda 3 MPS Tuning
- Topic: Boost/vacuum leak sound + fuel cut with P0234 code
- Replies: 2
- Views: 18
- October 12th, 2026, 4:33 pm
- Forum: MAZDASPEED3/Mazda 3 MPS Tuning
- Topic: Boost/vacuum leak sound + fuel cut with P0234 code
- Replies: 2
- Views: 18
Boost/vacuum leak sound + fuel cut with P0234 code
Hello, I recently bought a 2008 3 MPS with fuel cuts during pulls in 3rd, 4th and 5th gear at high RPMs. I had logging tool on me while buying the car and saw the overboosting condition P0234 together with a weird whistling sound coming from under the hood when under boost. Since I saw that everythi...