CRANKS/NO START after oil cooler replacement - Ford Powerstroke Diesel Forum
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Old 02-08-2010, 11:25 AM
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CRANKS/NO START after oil cooler replacement

Hey thanks all for any help on this, I'm out of ideas and time and don't have IDS. (Yet)

Just replaced my oil cooler again (2nd in a year...YEAH!) and after putting it back together I got ONE very rough start for about 30 seconds with lots of black exhust and now nothing but crank.

The story thus far:
I've got rpms on the tach while cranking
Batteries fully charged
Fuses are all good and have been reseated
Oil is full
Have fuel pressure (as a test removed the plug on the upper filter housing and have pressure during ignition on sequence at least)
EGR valve removed and cleaned
Removed as much sludge as possible from coolant without a proper flush
Missing anything?

Another tell I have is that this year I had to plug in my engine heater in the fall to get it to start, and I live in HOUSTON! Temps below 60 degrees overnight have never caused that before. BTW, my EGR cooler was deleted last summer.

Any ideas appreciated, otherwise how about a good diesel tech in the Houston area? Thanks again.
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Old 02-10-2010, 07:46 AM
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IPR?

I'm not a tech, but mine did almost exactly the same thing about a year ago after I deleted the EGR and replaced the oil cooler. For me it was the IPR valve. Of course a real Tech would know more. This is just what mine was in similar circumstances.
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Old 02-18-2010, 04:24 PM
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Same with a truck at my shop. IPR was clogged, replaced and it was the cure.
Good Luck
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