Long cranking time - Ford Powerstroke Diesel Forum
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Old 01-14-2014, 07:01 AM
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Long cranking time

Newbie owned 06 with edge evolution canned tune - Cold start cranking time is 5 or 6 seconds to start. It just seems like an eternity before it catches. I wait for the glow plug light to go out before I crank it. FICM volts stay above 47, batt volts drop to as low as 9 sometimes before it fires. So far it's cold weather only, plugged in if temps are under 20. Plugged in the ECT is about 60 -75 degrees so its not REAL cold in there. Is this pretty much normal for the truck? All the other readings on the edge are normal and it runs great once it's going. Re start when still warm is a lot quicker, maybe a second or two. Just got the truck and I'm probably over cautious but I have to wonder if I'm not killing the starter slowly.
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Old 01-21-2014, 04:05 PM
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You most likely have injector spool valves sticking. There are plenty of products out there that are supposed to cure this, and some work well. At some point, most people end up changing the injectors. To verify that this is your issue, you will need a scan tool capable of running an injector electrical, or "buzz" test. Run the test cold, you will hear all 8 injectors rattle, then one at a time in number order 1-8, not firing order. Listen to the sound the injectors make as the test runs. Suspect muffled or no click as sticking. Get the engine started, warm it up completely and test again. If the injectors sound significantly louder, and/or all 8 now click/buzz, your sticking issue is verified.
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Old 01-22-2014, 05:32 AM
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I forgot I had this thread going here, I opened it in the 6.0 forum also, but thanks. I got a few other opinions from the guys overthere and have been trying to find the time to check those out. The guy I am having work on it does have a Ford scan tool, I'll have him buzz it next time it's in getting service. I think the batteries may be weak though, that seems to be an overwhelmingly popular theory. A lot of the guys are saying 11v is as low as they see it, mine drop to 9 while it's cranking.I also need to get the ICP up on the edge screen and take a look at that. So far I've only monitored it while running, never while cranking. Hard to get anything done with the weather so far this winter, and Ole Black Magic doesn't fit in the garage. When things warm up a little I can get out there and give it some love. I've had a blue spring kit for a month now and haven't got to that yet. Anything I can do sitting in the cab gets done.
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