injectors, glowplugs, or??? - Ford Powerstroke Diesel Forum

 
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post #1 of 8 Old 04-24-2013, 09:59 AM Thread Starter
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injectors, glowplugs, or???

i have a 2004 f350 ccsb with 154k on the clock. i bought it back in november. from the time i bought it its been hard to start. i started with changing the oil to royal purple 15w40 which helped a little bit. ran that for 5k miles and changed the oil. this time i put in a bottle of hotshot secret. seems to have made it a lot worse.

i have checked my ficm the best i can by myself and have 48 volts with key on and when running. no clue what it is while cranking. hard to hold volt meter and turn the key at the same time.

when i do finally get it started it will run rough for a little bit and then smooth out.

when i am able to plug it in it starts like a champ.
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post #2 of 8 Old 04-24-2013, 03:20 PM
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Sounds like stiction in the spool valve of your injectors. Happens when it's cold. Switch to a high quality synthetic oil and 5W30. Would also suggest using a good quality diesel fuel additive. Get a monitor on it so you can keep an eye on FICM voltage, EOT, ECT, TFT, Batt voltage, etc.

Steve
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post #3 of 8 Old 04-27-2013, 05:23 AM Thread Starter
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will the 5w30 be a permanent solution or just a band aid.
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post #4 of 8 Old 04-27-2013, 03:05 PM
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Actually, you want a 5w40 synthetic oil. 30 might be a bit light, depending how you use it. More than likely it is a band-aid, but you need to change your oil every 5k or less regardless, unless you run with oil analysis. If it gets to the point of taking action - maybe it already has - get a buzz test and a contribution/balance test done. Then you will know the extent of your problem. You can try the fix in my sig before you shell out for new injectors. It does require some work on your (or your mechanics) part, but it is very cost effective.

Frank
2007 F-250 Lariat Crew. MBM 190/50s,
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Stiction Problems - Fix it yourself! - http://www.powerstroke.org/forum/gen...ml#post4509754
Want to modify your injectors DIY - http://www.powerstroke.org/forum/6-0...ger-flows.html

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post #5 of 8 Old 04-27-2013, 04:47 PM Thread Starter
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great fix solution. thank you for that. is there any need for buffing out the inside of that part of the injector?
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post #6 of 8 Old 04-27-2013, 08:23 PM
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You could do the same to the bore, but the key is to only take the varnish off. Usually varnish builds up on the edge of moving surfaces.

Frank
2007 F-250 Lariat Crew. MBM 190/50s,
KC-68 Stage 3 Turbo,
DashBoss/F/P, and a few other goodies
Stiction Problems - Fix it yourself! - http://www.powerstroke.org/forum/gen...ml#post4509754
Want to modify your injectors DIY - http://www.powerstroke.org/forum/6-0...ger-flows.html

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post #7 of 8 Old 04-27-2013, 08:25 PM
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Quote:
Originally Posted by mgdwj View Post
will the 5w30 be a permanent solution or just a band aid.
not a permanent solution, just help you get by. Eventually you'll have to do something with the injectors. I just sent mine to RPM Diesel in Ft Lauderdale for testing and replacing of the o rings and external cleaning. That video above looks good.

Steve
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post #8 of 8 Old 04-28-2013, 06:49 AM Thread Starter
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when i get my egr delete kit, oil cooler, and coolant filter. i will take my injectors out clean them, install all new parts at once, and clean turbo while i have everything out.
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