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Ron
Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23001
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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I have a P2004 code - check engine light and have issues

Customer Question

Customer: I have a P2004 code - check engine light and have issues with my engine revving at high rpm
JA: Thanks. Can you give me any more details about your issue?
Customer: Ford Focus 2005. During park my car will rev up to 300 rpm, so I only see this problem in the parked position
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Submitted: 11 months ago.
Category: Ford
Expert:  Ironmike replied 11 months ago.

Greetings,

what engine do you have? 2.0 or the 2.3L?

Expert:  Ironmike replied 11 months ago.

P2004 points to the IMRC system. intake manifold runner control

these are like small throttle plates inside the intake manifold

Expert:  Ironmike replied 11 months ago.

common causes can be a vacuum line to the actuator, the actuator or the solenoid that controls the vacuum.

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