Code P2004: Intake Manifold Runner Control
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From: Ohio
Code P2004: Intake Manifold Runner Control
I got this code on my Ranger: P2004: <A href="https://www.ford-trucks.com/rx98192zju/kwldirect.php?kwid=302" target=_blank rel=nofollow>Intake </A itxtvisited="1">Manifold Runner Control Stuck Open.
In searching previous posts, I found a thread where MikeYates had the same problem. PawPaw made a suggestion that I thought sounded good (see below)... it involves letting the engine suck some Seafoam in thru a vacuum port upstream from the intake manifold. I bought some Seafoam (and a little needle)... Now I just need to identify the right place to feed it in. Can anyone provide a picture and point out the "vacuum port" near the throttle body? My son would be eternally grateful... he is itching to start driving his "new" ride, but we really want to address this first.
PawPaw's idea: " Before you pull the <A href="https://www.ford-trucks.com/rx98192zju/kwldirect.php?kwid=302" target=_blank rel=nofollow>intake </A itxtvisited="1">manafold, you could consider, with the <A href="https://www.ford-trucks.com/rx98192zju/kwldirect.php?kwid=543" target=_blank rel=nofollow>engine </A itxtvisited="1">running, SLOWLY ingesting something like "Seafoam Engine Tune", at a up stream vacuum port, say around the throttle body & see if it would clean things inside the intake manafold up enough, to free up whatever is stuck... Maybe use something like a <A href="https://www.ford-trucks.com/rx98192zju/kwldirect.php?kwid=658" target=_blank rel=nofollow>metal </A itxtvisited="1">sports inflation needle, ( the kind used to inflate basket & foot *****, that has the small holes in the end of the needle), attached to a length of tubing, one end at a vacuum port upstream from the problem area, say, around the throttle body, then dip the needle into the Seafoam, to let the engine get a good 'sniff", but not long enough to stall, or hydrolock the engine."
In searching previous posts, I found a thread where MikeYates had the same problem. PawPaw made a suggestion that I thought sounded good (see below)... it involves letting the engine suck some Seafoam in thru a vacuum port upstream from the intake manifold. I bought some Seafoam (and a little needle)... Now I just need to identify the right place to feed it in. Can anyone provide a picture and point out the "vacuum port" near the throttle body? My son would be eternally grateful... he is itching to start driving his "new" ride, but we really want to address this first.
PawPaw's idea: " Before you pull the <A href="https://www.ford-trucks.com/rx98192zju/kwldirect.php?kwid=302" target=_blank rel=nofollow>intake </A itxtvisited="1">manafold, you could consider, with the <A href="https://www.ford-trucks.com/rx98192zju/kwldirect.php?kwid=543" target=_blank rel=nofollow>engine </A itxtvisited="1">running, SLOWLY ingesting something like "Seafoam Engine Tune", at a up stream vacuum port, say around the throttle body & see if it would clean things inside the intake manafold up enough, to free up whatever is stuck... Maybe use something like a <A href="https://www.ford-trucks.com/rx98192zju/kwldirect.php?kwid=658" target=_blank rel=nofollow>metal </A itxtvisited="1">sports inflation needle, ( the kind used to inflate basket & foot *****, that has the small holes in the end of the needle), attached to a length of tubing, one end at a vacuum port upstream from the problem area, say, around the throttle body, then dip the needle into the Seafoam, to let the engine get a good 'sniff", but not long enough to stall, or hydrolock the engine."
Post Fiend
Joined: Jan 2003
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From: Connecticut
Toward the back of the motor, look for a small vacuum solenoid just under the intake manifold but above the starter. Ensure that the vacuum lines are secure and not rotted or burned through. The bottom vacuum line apparantly is prone to failure.
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Thank you for your reply Rockledge. One of my challenges is I don't know what certain things look like. I have a Haynes manual, but it doesn't seem to show vacuum ports. Does this forum allow pics to be posted? For example, I googled "Ford Vacuum solenoid" after I read your post... does it look like this?:
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From: Ohio
I haven't seen pics used on this forum to the extent that I have on some others, but I have found that it can turn a forum into a mecca for sharing knowledge. I, myself, being mechanically challenged rebuilt the engine on an old motorcycle with the help of folks at SOHC Forums. Here is a link to my project for those who care: 1973 CB350F "Freakshow Build" completed! Stay tuned for updates...
The photo I added above, was done by first uploading it to Image hosting, free photo sharing & video sharing at Photobucket and then copying the link into my Post. Very easy... and free. I mention all of this info because once we start showing each other pictures to illustrate our questions and answers, things get REAL interesting. I hope this info is useful to someone. If not, please excuse my rambling.
The photo I added above, was done by first uploading it to Image hosting, free photo sharing & video sharing at Photobucket and then copying the link into my Post. Very easy... and free. I mention all of this info because once we start showing each other pictures to illustrate our questions and answers, things get REAL interesting. I hope this info is useful to someone. If not, please excuse my rambling.
Post Fiend
Joined: Jan 2003
Posts: 9,748
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From: Connecticut
I'm not sure what you're looking for exactly, never seen the IMRC on a 2.3L myself. But the best thing to do in any case would be to check every single vacuum hose and connection that you can find back there.
Freshman User
Joined: Sep 2007
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I know this is an old post, but i had some issues on my 01 2.3 ranger with the imrc. i found a youtube video of a guy showing where and describing where it is. My problem, just like this guy says, was the hose had snapped at the nipple. 30 cents later and it was fixed.
http://www.youtube.com/watch?v=YgikQ8s6Va0
http://www.youtube.com/watch?v=YgikQ8s6Va0
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