HELP! CEL CODES: P0400 + PO105 B28

11-06-2008, 12:37 AM

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911twinturbo

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01 E430 / 07 S550 / 01 996 TT

HELP! CEL CODES: P0400 + PO105 B28

Hey everyone, all yall MB genius's mind helpin me out? haha well jus got my car back from dealership after my radiator install. They gave me 2 cel's, they reset them then the light came on agian.
1st code - P0400 Exhaust Gas Recirculation : Malfunction (function chain)

2nd code - P0105 B28 (pressure sensor) [CURRENT]

Anyone know what to do or what should i do? and What specifically are those codes?

Thanks!!!!!!!!
John

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