here's a problem for a diesel tech master!
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New User
Joined: Mar 2012
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here's a problem for a diesel tech master!
Bought an 03 f250 crew cab lariat 6.0 a few weeks ago. Had the ficm rebuilt and upgraded by ed at ficmrepair.com and then programmed by power hungry performance to their hercules setting. Just got done tearing the engine down and doing arp head studs, sinster egr delete and sinister coolant filter. Put new oil and ford coolant, icp sensor on it. Have an edge evolution cts which I set back to stock setting for initial break in. Truck cranked up once oil pressure came up and ran great at idle after initial idle. Started driving it home and everything was fine hadn't broken 35 MPH and about 10 mins into drive truck shutoff completely. Was running smooth and all gauges were reading good. Tried to start up again and it ran a couple of seconds and shut off. Now when key is turned on I get no temp readings on gauge cluster, starter will not engage and my cts won't even read the ecm or vehicle vin. It acts like the ecm isn't even there. Any help please?!?!
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New User
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I wish it was...hope it is but I have no clue what would keep it from engaging the starter. I forgot to say I also replaced the number 4 injector and put in the blue spring fuel pressure upgrade as well.
Last edited by proghetto2002; Mar 31, 2012 at 05:50 PM. Reason: adding info
Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
maybe the starter relay IDK with the dash problem to
Now there is supposed to be a wire on passenger side IIRC by the battery/vac pump area you can jump the starter with it
So when you turn on the key the dash and starter are BOTH Compleatly just dead
no lights on the dash or anything
and
starter will not engauge
Can you hear the fuel Pump or injector buzz right at first or just Nothing Period
Now there is supposed to be a wire on passenger side IIRC by the battery/vac pump area you can jump the starter with it
So when you turn on the key the dash and starter are BOTH Compleatly just dead
no lights on the dash or anything
and
starter will not engauge
Can you hear the fuel Pump or injector buzz right at first or just Nothing Period
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New User
Joined: Mar 2012
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The injector buzz is gone because of the power hungry ficm program. I get dash lights, the fuel level reads and the fuel pump will come on to pressurize the system then go off like it should. The dash gauges will not read engine or tranny temp although I know they should because the truck was at operating temp before it crapped out and I was troubleshooting it directly after it shutoff.
Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
Just sounds like electrical thing
Batterys both good with good connections and grounds clean with good connections
maybe a wire harness didnt get fulley plugged in and rattled loose somewhere IDK Electrical issues suck
Batterys both good with good connections and grounds clean with good connections
maybe a wire harness didnt get fulley plugged in and rattled loose somewhere IDK Electrical issues suck
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New User
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Looked for a loose connection and couldn't see anything. Don't know what would cause the truck to do that without any warning. 2 brand new duralast golds in it, fully charged. I'm leaning towards an ecm but I'm not sure...
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Fleet Owner
Joined: Nov 2003
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There is a yellow with light blue striped colored wire adjacent to the passenger side battery in the engine compartment, near the vacuum pump that has a "squeeze-and-pull" type connection. Disconnect it, and jump the male end of the connector to the passenger side battery positive terminal. The starter should crank when you do this.
Does the PowerPoint (12V receptacle) have power?
Does the PowerPoint (12V receptacle) have power?
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Fleet Owner
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My injectors will buzz on startup and I have a PHP tuned FICM (not the Hercules though).
Have you verified that all plugs to the PCM (and from the PCM) are seated in completely? Verify ALL grounds are solid and not corroded.\
PATS - passive anti theft system.
Do you have an after market alarm system?
Have you verified that all plugs to the PCM (and from the PCM) are seated in completely? Verify ALL grounds are solid and not corroded.\
PATS - passive anti theft system.
Do you have an after market alarm system?
Mountain Pass
Joined: Apr 2010
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Bismic thank you for clarifying. No it does not have a passive anti theft system or alarm that I know of. I did verify all electrical connectors on the PCM itself to include FICM and all connectors disconnected during the rebuild. Is there any fail safe itself like the IPR or ICP that would prevent the starter from operating? I will reverify all the grounds and will disconnect and reconnect the PCM with batteries disconnected. I assume the yellow and blue wire is the signal wire for the starter itself. If this does work and the starter kicks in what next? Again your insight and knowledge is always appreciated. Thank you