No power roling idle
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Mountain Pass
Joined: Aug 2011
Posts: 210
Likes: 0
From: Weatherford, TX
No power roling idle
I have an early build 2004 F250 with about 188k on it. In the morning I have been having an intermittent no power issue. I have tested the ficm and get 48v koeo and while ranking it. It idle fine once started but when I put it in drive and give it gas it just idles down the road. Put it in neutral and give it gas the rpms are slow to climb and turbo is slow to spool. Other days when I try to drive it will kind of buck and jerk. Also sometimes kind of shudder to life and others fires up. No long hard cranks.
Problems go away after driving couple blocks. Has done this when 100 degrees out and when in lower 40s.
I have installed a new icp sensor and still having same problems. I dont have any gauges unfortunately. Im going to check for chaffing but what else could be going on? Since it is something that comes and goes Im not sure what to check for.
If its one of the sensors can some post up how to check with voltmeter like what volts or ohms to look for.
Problems go away after driving couple blocks. Has done this when 100 degrees out and when in lower 40s.
I have installed a new icp sensor and still having same problems. I dont have any gauges unfortunately. Im going to check for chaffing but what else could be going on? Since it is something that comes and goes Im not sure what to check for.
If its one of the sensors can some post up how to check with voltmeter like what volts or ohms to look for.
Hotshot
Joined: Apr 2010
Posts: 19,066
Likes: 240
From: Saratoga Springs,UT
oil could be messing with the ICP signal
was the pigtail not oil soaked and just leaking around the sensor
Hotshot
Joined: Apr 2010
Posts: 19,066
Likes: 240
From: Saratoga Springs,UT
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Mountain Pass
Joined: Aug 2011
Posts: 210
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From: Weatherford, TX
Pigtail looked like it was in good shape it wasn't soaked. They able to check for pending codes?
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Thread Starter
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Mountain Pass
Joined: Aug 2011
Posts: 210
Likes: 0
From: Weatherford, TX
No matter how much pedal i give it the rpm will not go above 1000 until a block or two down the road. Basically only going as fast as letting off the brake pedal and the engine just idling.
Fleet Owner
Joined: Nov 2003
Posts: 27,911
Likes: 3,624
Since you are in Fort Worth, the easiest way is take it to Cheezit!
If you want to do it yourself, you will need to buy or make a socket, then you can get to it by moving the degas bottle and removing the FICM.
If you want to do it yourself, you will need to buy or make a socket, then you can get to it by moving the degas bottle and removing the FICM.