How to remove the intake manifold on a 04 mountaineer

P2006 = Intake manifold runner control stuck closed, Bank 1.
There is a set of 'choke' valves built into the intake manifold on the vehicle.
They are sticking closed, affecting the fuel to air mixture getting to the engine. The switches/solenoids may have failed so the will need to be tested or replaced.

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Here's a link David to a repair guide on removing your intake,join their site Autozone and become member.it's free,then you can use all of their repair guides like me. SAVE 20 GET BONUS 10 GIFT CARD ON ONLINE SHIP TO HOME ORDERS OF 100 OR MORE

this is a complicated question there are many steps to removing the intake its best to get a hanes book on your mountaineer and it will tell you step by step on how to remove and replace the intake you can watch videos on youtube to give you even more info about the job before you start really do the research first

i would check the throttle position sensor first, check for vacuum leaks, egr valve, i read a few things were people talking about a o ring under the separator. which is under the intake manifold. i would check the easy ones first before pulling your intake manifold off

If you have to remove the top half or plenum of the intake manifold, it is always recommended to replace the gaskets. I have squeaked by without doing it if the gaskets are in good condition.

This is for the 3.0L engine:

3.0L Engine

1. Remove the engine appearance cover.
   
2. To access the right bank ignition coils, remove the upper intake manifold..
   
3. Disconnect the electrical connector from the ignition coils.
   
4. Remove the bolts.
   
5. Remove the ignition coils.
   

To install:

1. Replace the ignition coils.
   
2. Connect the electrical connector to the ignition coils.
   
3. Remove the upper intake manifold for the right bank ignition coils.
   
4. Replace the engine appearance cover.
   

Remove the intake manifold, the air intake duct, air filter housing, MAP sensor and 2 hoses.

They are Located UNDER Intake Manifold !! #1 bank in Front #2 Back.

1. Remove the intake manifold.
2. Gently pry up the rubber covers.
3. Disconnect the knock sensor electrical connectors.
   1. Remove the knock sensors.
   INSTALLATION PROCEDURE
   
   NOTE: Refer to Fastener Notice in Service PrecautionsInstall the knock sensors. Tighten Tighten the sensor to 20 N.m (15 lb ft)
   
   1. Connect the knock sensor electrical connectors.
   2. Push down on the rubber covers.
   3. Install the intake manifold.
   
   

dont know of any head gasket concerns, usually when the intake manifold leaks it either split and pours out or the heater hose fittings crack and leak. Check the hose connections at the intake and make sure none of the hose clamps have cracked and are leaking