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P2004 Diagnostic Trouble Code Discussion for November 2007

Intake Manifold Runner Control Stuck Open

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Trouble Ticket Help Requests for DTC P2004
Help Request Posted
2002 Mercedes-Benz S500 5.0L test procedure VIN: WDBNG75J62
P2004: hot film maf sensor. car has classic mass air flow symptoms, however it is our common practice to check fuel pressure and smoke check for vacuum leaks before selling the meter. when i smoke check the intake system on this vehicle, there are no external leaks, but almost immediatel...
November 27, 2007