p2004 imrc help!
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Junior User
Joined: Nov 2007
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From: Helena, MT
p2004 imrc help!
OK just ran the codes for my 2004 f150 5.4l Triton cam up with p2004 intake manifold runner control is stuck open I am sure I can remove it and replace a new one but I can not get to it for a few day what would happen if i continued to drive the truck with this problem any info would be great! thanks
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Joined: Feb 2013
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From: Burnett WI
My parents had this issue w their 2004 5.4. Same thing, pulled the intake manifold to get part number, and had to put it all back and run it a week because part had to be ordered.
All it had was the check engine light and weak top end (stuck closed) but thats all.
All it had was the check engine light and weak top end (stuck closed) but thats all.
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Joined: Jun 2011
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This happened to me after I had removed the intake and reinstalled the intake. It turned out to be the electrical hooked on the back of the intake was on backwards because the plastic shroud around the electric pins was busted off. Not a lot of room back there. I also got a new brake booster hose and routed it myself because there was no room to work when hooking everything back up. I tr routed it on top of the factory hose which is attached to the back of the motor.
Posting Guru
Joined: Jan 2015
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From: San Antonio, Texas
^^^^^ + @FordGuy85 is correct. It will not "hurt" anything. It may result in slight drivability issues in cold climate and a shift your Fuel Trims + (run a little rich). But when replaced - do a battery reset and relearn on the ECU and nor harm.
It will have lot to do with environment (intake air temp). I created Custom PID's and gauges in my Torque App to display (degrees open command) and monitor the runner control valve on my '04 5.4L Triton. They stay "closed" almost ALL the time when outside temperature is low ( < 40 deg) and engine is cold (and briefly when low RPM power is demanded) When RPM's go up significantly they open to 90 degrees. On warm days with engine warm, they generally run around 25 degrees open at idle - 45 degrees at cruise. They will close down momentarily in response to LOW RPM power demand or lugging. Otherwise, you'll be fine.
Based on what I've observed mine doing, I doubt you will notice - other than cold start - cold idle - cold acceleration issues. Normal outside temp ( 50 +) and high RPM,s you'll never know.
AND I had to do the same thing @FordGuy85 suggested in post #3 above.
Good luck
It will have lot to do with environment (intake air temp). I created Custom PID's and gauges in my Torque App to display (degrees open command) and monitor the runner control valve on my '04 5.4L Triton. They stay "closed" almost ALL the time when outside temperature is low ( < 40 deg) and engine is cold (and briefly when low RPM power is demanded) When RPM's go up significantly they open to 90 degrees. On warm days with engine warm, they generally run around 25 degrees open at idle - 45 degrees at cruise. They will close down momentarily in response to LOW RPM power demand or lugging. Otherwise, you'll be fine.
Based on what I've observed mine doing, I doubt you will notice - other than cold start - cold idle - cold acceleration issues. Normal outside temp ( 50 +) and high RPM,s you'll never know.
AND I had to do the same thing @FordGuy85 suggested in post #3 above.
Good luck
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