- #134 of 355
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Re: REPLY: 6.4 MILEAGE (DBWEAVER) [diehardford]
by mxpcn
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Nov 12, 2007 (11:39 am)
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Replying to: diehardford (Nov 11, 2007 8:22 am)
I have a F250 08 6.4l and haven't gotten it over 12.2. Just turned 5k on it with about 1,500 miles towing 4,000. I heard there were some tech bulletins out about a cam shaft sensor? several times i have been in park and the tach hits about 1,500 hundred RPM's with no way to knock it down.. Also anyone put a chip or banks kit in these trucks? does it help the mpg??
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- #135 of 355
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WHITE SMOKE
by fordz1
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Nov 12, 2007 (3:47 pm)
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I have an 08 6.4L F350 Crew Cab DRW LB, and the other day had white smoke come out of the exhaust. I had just taken off from a red light, the engine revved higher than normal, and white smoke came out of the exhaust. It lasted about 10-15 seconds and was wondering if anyone else has experienced this? I know it does a self cleaning cycle but I couldn't find any info on that process.
Other than this one problem the truck has run great during the 2600 miles of ownership, and average 13.5mpg of mixed driving which I expect to improve. Service Department recommended that I bring it in. I will post what they find.
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- #136 of 355
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Re: REPLY: 6.4 MILEAGE (DBWEAVER) [mxpcn]
by diehardford
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Nov 12, 2007 (4:06 pm)
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Replying to: mxpcn (Nov 12, 2007 11:39 am)
My truck also has done this several times. I be leave this is when it goes into a cleaning cycle for the exhaust particulate filter. I don't know anyone who has put a chip on the 6.4 but several who have on the 6.0 and claimed a 3 to 4 mpg improvement. I don't want to take any chance of voiding my warnity so I'm leaving mine stock.
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- #137 of 355
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Re: REPLY: 6.4 MILEAGE (DBWEAVER) [diehardford]
by fordz1
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Nov 12, 2007 (4:26 pm)
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Replying to: diehardford (Nov 12, 2007 4:06 pm)
I hope it's just the cleaning cycle and nothing else. Mine will stay stock as well.
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- #138 of 355
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IT is the cleaning cycle.
by mschmal
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Nov 13, 2007 (9:57 am)
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There is plenty of info about this in the Diesel Owners supplemental guide.
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- #139 of 355
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Re: IT is the cleaning cycle. [mschmal]
by dbweaver
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Nov 13, 2007 (1:27 pm)
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Replying to: mschmal (Nov 13, 2007 9:57 am)
My truck has went through the cleaning cycle one time that I know of in 5200 miles. I run my truck hard most of the time. I had a 2003 F550 with the 6.0 that had injector problems constantly.The mechanic at the dealership told me that I didn't run it hard enough.He told me to wind it out when I take off and make it pull hard on a long hill every chance I got to keep the exhaust ''burnt out''. I never had anymore injector problems. I suppose this is part of the reason for the cleaning cycle on the 2008
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- #140 of 355
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Re: WHITE SMOKE [fordz1]
by fordz1
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Nov 13, 2007 (2:33 pm)
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Replying to: fordz1 (Nov 12, 2007 3:47 pm)
Picked my truck up today, and everything is functioning properly. I also got a copy of TSB 07-4-11 6.4L Diesel Regeneration Functional Characteristics.
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- #141 of 355
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Re: IT is the cleaning cycle. [dbweaver]
by diehardford
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Nov 13, 2007 (9:25 pm)
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Replying to: dbweaver (Nov 13, 2007 1:27 pm)
While I haven't had any injector problems with my trucks my wife's car is the pits for injector problems. I found that SEA FOAM injector cleaner from advance auto stores works great in curing injector problems. works much better than gunk and stp but more expensive about 6.50 per can. Can says safe for diesel and gas engines. I put a can about once a month in wifes car and every couple thousand miles in truck. This has cured my injector problems.
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- #142 of 355
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Failed injector
by scarab36
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Nov 14, 2007 (9:11 am)
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08 f350, 6.4, 3.73,srw, lb. Truck has gone into regen several times in the morning my brother ran to shut it off, he thought it was going to throw a rod. Sounded awful. Now my #5 cyl is showing a problem. Mechanic says it appears to be the injector. on 1,600 mile trip pulling 11,150 lb trailer I got between 7.8 and 8.9 mpg. Truck and trailer gross wt. was 22,250. They still haven't been able to explain what happened to the immediate power from idle stop, I have about a 3.5 second lag that it developed at 7,900 miles. Before that the power was instant. Factory tech said nothing is wrong. bull I say
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- #143 of 355
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Re: WHITE SMOKE [fordz1]
by don123
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Nov 18, 2007 (2:08 pm)
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Replying to: fordz1 (Nov 12, 2007 3:47 pm)
I have a 2008 f350 lar 4x4 and it has 5000 miles on it and 4 different times it has had blue smoke come out of the muffler for 2 to 3 sec and it makes funny noises and no power when it happens. I'm triing to find out why and what is wrong. thanx. Don123.......
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