ficm question
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New User
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ficm question
Do you have to do the ficm test for voltage cold only? just wondering because i checked it just now and only got. 0.345 milli volts while warmed up, key on not running and while trying to start,,,,,,,,
history is it takes a long time to get it started after driving it 20 - 30 mls it takes 2 or 3 trys of 8 sec before it will start
history is it takes a long time to get it started after driving it 20 - 30 mls it takes 2 or 3 trys of 8 sec before it will start
Logistics Pro
Joined: Mar 2007
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From: Claremore, OK
Your saying you have trouble starting the truck after it's warm? If so...and considering it's a '06 I wonder if you've got a HPO leak and not FICM issues? If you've got an AE or know someone with it...would be helpful to check your IPR duty cycle to see if it's trying to keep up with a leak.
Logistics Pro
Joined: Mar 2007
Posts: 4,604
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From: Claremore, OK
How long have you owned the truck? Do you know if any of the HPO parts have been replaced besides the HPOP? Another thought, just something simple to check...you are running OEM filters right? I only bring that up because an aftermarket filter can cause oil pressure issues.
Former Vendor
Joined: Feb 2010
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Check out the FAQ page at ficmrepair.com - FICM Repair.com - Your Source for FICM Repair - for the down-low on how to check the voltage.
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How long have you owned the truck? Do you know if any of the HPO parts have been replaced besides the HPOP? Another thought, just something simple to check...you are running OEM filters right? I only bring that up because an aftermarket filter can cause oil pressure issues.
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I'm just saying your injectors will not fire on voltage in the millivolt range.
To me, your posts make it sound like you can get the engine started - it just takes longer. If that is the case, then your readings are off. If it does not start at all now, then the readings could be good and the FICM is shot.
edit -
I assume you have the four screw model FICM?
To me, your posts make it sound like you can get the engine started - it just takes longer. If that is the case, then your readings are off. If it does not start at all now, then the readings could be good and the FICM is shot.
edit -
I assume you have the four screw model FICM?
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New User
Joined: Jan 2012
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I'm just saying your injectors will not fire on voltage in the millivolt range.
To me, your posts make it sound like you can get the engine started - it just takes longer. If that is the case, then your readings are off. If it does not start at all now, then the readings could be good and the FICM is shot.
To me, your posts make it sound like you can get the engine started - it just takes longer. If that is the case, then your readings are off. If it does not start at all now, then the readings could be good and the FICM is shot.
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