Question about 2004 Honda Accord
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Posted on Jan 02, 2017
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
SOURCE: I got a code P2004
what engine? So the guy running the test could'nt point it out to you? You need to find a shop that qualified to repair the car. its a valve on the intake manifold that opens and closes to help th engine produce the most power at low and high rpm. they get stuck. sometimes you can clean them.
Posted on Oct 01, 2009
There is a heater core bypass pipe that runs from the block (under the manifold) to the bacl of theengine where you will see a flat rectangular "sheet metal" thing with a pipe coming out of it. The a rubber hose connects. You need to pull the top air plenums and intake to get to it. The p[ipe flange bolts to the block with silicone rtv as a sealant.
Posted on Nov 27, 2009
P2004 is intake manifold runner stuck open control bank 1. This code should be related to your EVAP system. Did you try resetting the ECM and then the light came back on? If so, did you look at the readiness status? After driving the car awhile different systems should have come out of default and one should have been listed "not complete". Which one was it?
Start by looking for pinched or broken vacuum lines, oil dip-stick not in place or oil fill-cap missing, maybe a missing or defective gas-cap. Anything further would take the use of special tools and a look at live data, to hopefully narrow this down. Good luck.
Posted on May 10, 2010
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