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I have a check engine light on for a 2004 Mazda 3. The error code is P2004 which is a shutter valve stuck open on the intake manifold. The dealership advised me to replace the whole manifold so I did. I am now receiving the same code and the dealership is saying I got a bad manifold. I am wondering what actually causes the shutter valve to stay stuck open. It seems to me that it would be a problem with an actuator, hose, or elctrical wire that controls the shutter valve, not the shutter valve itself which is just a piece of plastic. Why am I being advised to replace the manifold? Are there sensors on the shutter valce or something that may be broken? What should I do?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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pctech1
  • 1940 Answers

SOURCE: went to autozone they diagnostic

The intake manifold runner valve system is mounted on the intake manifold and consists of the intake manifold runner valve (IMRV), the IMRV motor and the IMRV position sensor. The IMRV motor opens and closes the IMRV using multiple gears. The valve position sensor detects the opening angle of the IMRV. The IMRV has a groove on its upper portion. When the IMRV is closed, air flows through a groove into the cylinder from the intake manifold, so that a dynamic air flow or "tumble" air flow is generated in the cylinder. The tumble air flow drastically reduces fuel deposits inside the intake air port and the combustion wall surface inside the cylinder. This improves the combustion efficiency by boosting the air−fuel mixture and air flow turbulence.

Check this document for Diagnosis procedures and more information:
http://www.4shared.com/document/OGI6_zov/INTAKE_MANIFOLD_RUNNER_CONTROL.html

Posted on Aug 03, 2011

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  • 449 Answers

SOURCE: ENGINE LIGHT ON SLIGHT LOSS OF POWER AND POSSIBLE RATTLE

p2004 (Intake Manifold Runner Control Stuck Open)You need to take a look at the IMRC actuators on the intake manifold. You can try using a screwdriver or other tool to move the actuators to see if one is stuck in the open position. Do not use your fingers to do this, because if one is open and decides to close it has a bit of force behind it and can injure you. If the IMRC is stuck open, it is usually due to deposits in the intake manifold. Repair involves removing the upper intake manifold and cleaning out any deposits in the IMRC plate area. I would try running some Techron Concentrate in 2 tanks of gas to see if it dissolves enough of the gunk on the plates to free up the stuck one. Certainly a lot cheaper than having to pull the intake manifold and cleaning the plates. Always run tier one gasoline like Shell or Chevron to reduce the buidup of deposits.

Posted on Dec 19, 2008

MrScary66613
  • 1990 Answers

SOURCE: Milky oil dip stick

They are Correct on this Diagnosis.

Posted on Jan 22, 2009

  • 30 Answers

SOURCE: Torque on 1994 Mazda pick up

if its a four cylinder(lets hope)the specs are 80-90ft.lbs torque.if its a six cylinder it is 14ft.lbs torqueat 90 degree intervals then repeat until correct torque has been reached.bad news is you can not use the same bolts on the six cylinder engine.have to be new to keep from breaking them

Posted on Mar 15, 2009

kwkeaton
  • 8 Answers

SOURCE: 2000 zx2 escort, zetec engine, need a elbow piece

I'm sure you've solved your problem by now, however your best bet is a junkyard.

Posted on Jun 12, 2009

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2 Answers

2008 dodge avenger code p2004


Intake Manifold runner control stuck open - bank one:
- Intake Manifold Runner Binding Or Sticking
- Faulty Manifold flow valve
- Manifold flow valve harness is open or shorted
- Manifold flow valve circuit poor electrical connection

There is a factory service bulletin for this problem for 2007-2008 Dodge Avengers. (JS)

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How to fix code p2004 on 2005 ford focus


you code is here

P2004 Ford Intake Manifold Runner Control Stuck Open Bank 1


Possible causes - Intake Manifold Runner Control (IMRC) monitor signal shorted to power
- Faulty Intake Manifold Runner Control (IMRC) actuator
- Faulty Intake Manifold Runner Control (IMRC) solenoid
- Damage Powertrain Control Module (PCM)
- Blocked vacuum hoses
alt="What does this mean?"> What does this mean? Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P2004 Ford Description The P2004 is set when the Intake Manifold Runner Control (IMRC) is commanded closed by the Powertrain Control Module (PCM), but the IMRC indicates open.


Read more: http://engine-codes.com/p2004_ford.html#ixzz3lke1SreV

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1 Answer

My check engine light has been on for a few months, so took it to the car dealership I got it from.


You shouldn't have to the dealership should be able to fix it granted your car is still within warranty and since the manifold is just stuck and not broken you should be fine. You could just need an oil change as well.

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It is attached to the intake manifold, it is a valve that adjusts the runner length of the intake for optimal performance and fuel economy.

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P2004 intake valve stuck open


code p2004 refers to intake manifold air control actuator-bank 1--actuator stuck open===Causes---wiring--intake manifold air control actuator---mechanical fault .I would check blockage and wire connections Then I would replace the actuator But I would not tear down the engine as it is between the air filter and the manifold. Check the air cleaner element

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No any codes will let you fail..Rangers are bad about the valve sticking..But first look on th driverside very back on the intake..Youll see a valve with two vacuum lines The one that goes on the bottom of the valve makes a 90 bend and is bad about breaking..If the lines are good then work the valve by hand and see if it will move

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Honda accord 2007 2.2 fault code P2004


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P2004


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