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August 15, 2018 Service bulletin

Check engine light on with a DTC P2004 (Intake Manifold Runner Control Stuck Open) stored in memory

Mazda technical service bulletin SA-038-18 for 2003 Mazda B-Series Truck.

Bulletin number
SA-038-18
Component
Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
Summary
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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