Intake manifold, codes P2004 and P2009

2005 MAZDA 3
151,236 MILES • 2.0L • 4 CYL • 2WD • MANUAL
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ADUDEPLEASEHELPME
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I have two codes.

P2004.
Intake manifold runner control stuck open bank 1a

P2009
Intake manifold runner control circuit low bank 1a.

How would i go around diagnosing the faulty part{s}.
It is a little more sluggish then before these codes popped up.
Jun 15, 2019 at 3:19 PM
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SCGRANTURISMO
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Hello,

I have include in the diagrams down below factory diagnostic troubleshooting guides for both DTC P2004 and DTC P2009. Please go through these guides and get back to us with what you find out.

Thanks,
Alex
2CarPros
Jun 16, 2019 at 1:00 AM