P2004 on the 2003 Mazda B-Series
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| SA-038-18 | 2018-09-10. Service bulletin. Some vehicles may have a check engine light on with a DTC P2004 (Intake Manifold Runner Control Stuck Open) stored in memory. This DTC is set when the IMRC is commanded closed, but the IMRC indicates open. |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.