"cold" starting problems
Thread Starter
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Junior User
Joined: Mar 2011
Posts: 59
Likes: 0
"cold" starting problems
Hi, I am a new owner of the 6.0L f250, and diesels in general. It has 112k miles and appears to be in great condition. However, I noticed how it has a hard time starting in the morning, probably about 45-50 degrees. It starts quickly, but has a rough idle for several minutes and lots of smoke. The only reason i could think of is that the tank is full of cheap, 5-10% bio diesel fuel... any ideas? Remember I am a noobie to diesels!
Fleet Owner
Joined: Nov 2003
Posts: 27,881
Likes: 3,595
Start w/ fluid and filter changes.
For filters, use ONLY the following filter brands (except air filter and tranny filter):
Motorcraft
Racor
International
The Tech folder has write-ups on the filter change procedures.
https://www.ford-trucks.com/forums/3...ch-folder.html
For air filter, use the OEM Donaldson w/ the blue synthetic media.
IMO start your 6.0L education w/ this thread:
https://www.ford-trucks.com/forums/7...-problems.html
For filters, use ONLY the following filter brands (except air filter and tranny filter):
Motorcraft
Racor
International
The Tech folder has write-ups on the filter change procedures.
https://www.ford-trucks.com/forums/3...ch-folder.html
For air filter, use the OEM Donaldson w/ the blue synthetic media.
IMO start your 6.0L education w/ this thread:
https://www.ford-trucks.com/forums/7...-problems.html
Thread Starter
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Junior User
Joined: Mar 2011
Posts: 59
Likes: 0
Thanks for the help, i think I have to learn all of the maintenance procedures for this truck.
Oh, and the truck came with an AEM Brute Force air intake, not the stock one. It recently blew out the minder for whatever reason so I had to replace that
Oh, and the truck came with an AEM Brute Force air intake, not the stock one. It recently blew out the minder for whatever reason so I had to replace that
Elder User
Joined: Feb 2011
Posts: 564
Likes: 0
Ford specifies a maximum of 5% biodiesel.
If it's 45 degrees in the morning, how cold was it during the night? Diesel fuel can start to cloud at 45 degrees. it's my understanding biodiesel doesn't do well in colder temperatures.
If it's 45 degrees in the morning, how cold was it during the night? Diesel fuel can start to cloud at 45 degrees. it's my understanding biodiesel doesn't do well in colder temperatures.
Junior User
Joined: Apr 2011
Posts: 61
Likes: 0
not at all if you just bought the truck. here is a simple way to know. change all of them now and take note of mileage. never trust what the previous owner did for maintenance whether they told you it was just done or not.
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Master of Strokes
Joined: Mar 2007
Posts: 6,808
Likes: 25
From: CA
Tomorrow were going to run AE on his truck to go through everything. Do some KOEO and KOER test, glow plugs, and injector buzz test. Drain the water separator and pull the EGR valve to see what the cooler looks like and also clean the valve. So far the truck seems very solid and runs very well.
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