Been getting some codes lately and I'm wondering if others have seen this on their X5 with MHD...
Codes:
28A0 - intake pipe absolute pressure, plausibility: pressure too high.
Shadow code:
2820 - absolute pressure sensor, intake pipe: multiple fault.
Mods: intake, downpipe, charge pipe, MHD stage 2.
I've been running this setup for about a year code free, but suddenly I'm getting these codes.
I took it to the dealer, they said they found nothing wrong and the codes are from the aftermarket intake. So I put the OEM intake back on, and flashed to Stage 0 with MHD.... I still get the codes.
Another odd thing I noticed after flashing to stage 0 is that I'm still hitting 14-15 lbs of boost, even saw a peak of 17.7 lbs! On stage 0... Which seems wrong.
Anyone else run into these codes on their X5?
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