6.0 wont start - Ford Powerstroke Diesel Forum
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Old 12-15-2009, 06:58 PM
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Unhappy 6.0 wont start

Any help with my problem would be greatly appreciated. This is my first post and it’s a long one so sorry in advance. I have been reading posts for about 2 months and have tried many ideas with no success. I bought my 04 f250 with 64k miles. It wont start and I had code 2285 (low icp pressure sensor circuit) and “water in fuel” light on the dash. Changed the filters, on the motor and the frame, changed the fuel in the tank and drained the lines. I pulled the high pressure oil pump (hpop) cover (which was a royal pain) inspected the filter screen on the injector control pressure regulator (ICP) and didn’t find any debris so I hoped the the pump was still good.

Using shop air, I attempted to leak test the oil pressure rails and identified a severe leak due to a bad o-ring on the hpop output fitting. After replacing the o-ring, the system seamed tight as I couldn’t hear any air anywhere. To test the pressure output, I adapted a pressure gauge to the top of the pump and had 500 psi when it blew out a thread on the pump body. After repairing the thread on the pump, I adapted the pressure gauge to the icp fitting on the hpop but only got 200-250 psi while cranking with two fresh batteries. Not knowing if this was high enough pressure, I replaced the ICP sensor assembled the motor and it still wouldn’t start. While I had the motor apart, I “deleted” the EGR cooler and replaced a leaking oil cooler. The codes are gone, the motor will crank like hell but still wont start. I can give it a shot of ether and it will run on that as long as I keep giving it a short spray, but once I stop it dies. I assume its not getting fuel but don’t know why. Is there a way to test the FICM? Injectors? Something else I am not thinking of?
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Old 12-15-2009, 07:28 PM
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Do you have access to a scan tool that can retrieve codes, read live data and take active commands?
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Old 12-15-2009, 07:28 PM
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mine did the same thing (egr) and oil pump. Mine was a bad connection to the FICM. Left battery small cable off the + terminal. They do take a long time to start.

Last edited by ZREDTRK; 12-15-2009 at 07:32 PM.
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Old 12-16-2009, 03:50 AM
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My truck is doing the same thing. I replaced the ICP sensor with no results and then took the pressure with a gauge in place of the sensor. I got a reading of 260 psi. I do have access to a good scanner. What data should we be looking for? This truck has run with no problems for 110K and in a period of three days has gone through running rough for short times and throwing the P2285 code to not even firing. Any help will be greatly appreciated.
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Old 12-16-2009, 05:13 AM
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my scanner can pull codes but not live data or take commands. how can i check the FICM connections? they seem okay...
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Old 12-16-2009, 09:20 AM
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Sorry dude. You are another frustrated owner of a 2004 6.0L powerstroke and there are many of us out here. Mine is a total money pit and it only has 115,524 miles on her and I have kept up perfect maintenance on it. Hang in there, pay it off, and get something else or trade it in immediately; but trading it in will be tough - not even resellers want to deal with the 2003 and 2004 6.0's. We were all taken on this one!!!!!
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Old 12-16-2009, 10:59 AM
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Quote:
Originally Posted by baja60 View Post
my scanner can pull codes but not live data or take commands. how can i check the FICM connections? they seem okay...
Is this an early or late build 2004 model year truck we are working on?
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Old 12-16-2009, 03:30 PM
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its mid 2003 motor (according to the data tag on the valve cover) june or sept 03 i think.
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Old 12-16-2009, 07:12 PM
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You'll need a scanner that can read live data, so that you can monitor ICP volts, ICP psi, IPR duty cycle %, FICM_L, FICM_M and FICM_V as well as V-BATT, RPM, FICM SYNC and SYNC data. If you can post the above data readings as you crank the engine over, it should tell you what you're missing.
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Old 12-17-2009, 03:28 AM
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Thanks. I think that this information will help a lot of out. I have mine set up for an air test on the HPOP today, then I will put back together and scan for the data you described.
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