2008 6.8 V10 Towing Problem
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
Oh, and just about any mix of Ethanol in your gas isn't going to do what you're describing. Look at other things before you get on the anti-Ethanol bandwagon. My v10 runs just fine on 10%. Always has, always will.
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New User
Joined: Jul 2011
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From: Meridian, ID
Right on, like it. Only issue is there are a lot of places I go camping that is not on this list, but thats fine.
Modular motor junkie
Joined: May 2009
Posts: 6,190
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From: Texas
Rep sent.
So does mine, it just burns more of the blend than it does pure gas.
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New User
Joined: Jul 2011
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From: Meridian, ID
Update
So today I replaced the O2 sensors..won't know with absolute certainty until I tow if my problem is fixed. But so far on my test run, she seems to get up and go much better and hits the 4k+ RPM range almost immediately when I put the foot to the floor. I was paying closer attention to the performance the last few days when accelerating quickly, and definitely sounded like the engine was struggling above 4k even without load.
So thanks everyone for the replies. Will probably do a test run with my TT this weekend to see for sure.
I ended up putting in the Bosch Premiums rather than Motorcraft...much cheaper, about $52/ea at Orielly's. Was gonna get the Motorcrafts, but twice the price.
So thanks everyone for the replies. Will probably do a test run with my TT this weekend to see for sure.
I ended up putting in the Bosch Premiums rather than Motorcraft...much cheaper, about $52/ea at Orielly's. Was gonna get the Motorcrafts, but twice the price.
Senior User
Joined: Feb 2011
Posts: 421
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From: FT. Rucker AL
WOW is there something wrong with me. I have never seen 4k on my tack I usually try to not even break 2k sometime i get to 2.5k but let off as i hate to pay for gas as someone is making money on me at the pump. Do you think I will glaze the cylinders doing this. I know bad spelling. I have 119k on the motor and she runs like a raped ape.
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New User
Joined: Jul 2011
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From: Meridian, ID
RPM's while towing
Senior User
Joined: Nov 2009
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I don't know about the 3v motors, but my 2v hated the bosch o2 sensors. They were much slower reacting than the MC. I did lots of research, and I ended up shaping out the Bosch and my mph and driveability came back. Also, the problems didn't start for about 4k miles after the fresh installation. Something to think about...
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Posting Guru
Joined: Jan 2004
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From: Monroe, MI
boi,
There is a customer satisafaction bulletin (10m05) from Ford that extends the warranty for a catalyst y pipe. U should have received the letter in the mail. This may be your issue. You have several of the symptoms.
There is a customer satisafaction bulletin (10m05) from Ford that extends the warranty for a catalyst y pipe. U should have received the letter in the mail. This may be your issue. You have several of the symptoms.
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New User
Joined: Jul 2011
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From: Meridian, ID
Thanks.
Hotshot
Joined: Mar 2007
Posts: 10,101
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From: Pa
WOW is there something wrong with me. I have never seen 4k on my tack I usually try to not even break 2k sometime i get to 2.5k but let off as i hate to pay for gas as someone is making money on me at the pump. Do you think I will glaze the cylinders doing this. I know bad spelling. I have 119k on the motor and she runs like a raped ape.
PS my truck hit well over 4500rpm several times this morning.
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New User
Joined: Jul 2011
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From: Meridian, ID
So just an update since my last change to the truck...A few weeks back I replaced the O2 sensors (pre cat) but until this weekend didn't get a chance to get the rig out for a test. This weekend though we went camping and I think the O2 were the problem. Fully loaded the truck ran like I expect it to. No power loss when climbing and I was even able to accelerate if I needed while climbing. Held nice and steady above 4K with no issues what so ever.
No other changes were made since changing the O2 sensors. Towing both ways on two seperate days, 98 degrees out the first day, 78 this morning, she ran great both. In a couple weeks we go camping again, so that will tell if this weekend was a one off, but I'm confident after reading up on O2 sensors, the info from this forum, and advice from a colleague that this was the problem.
No other changes were made since changing the O2 sensors. Towing both ways on two seperate days, 98 degrees out the first day, 78 this morning, she ran great both. In a couple weeks we go camping again, so that will tell if this weekend was a one off, but I'm confident after reading up on O2 sensors, the info from this forum, and advice from a colleague that this was the problem.
Junior User
Joined: Nov 2006
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What part # did you use for the upstream O2 sensors? I have seen both the up and downstream sensor listed as the same part # and I have seenthem as different part #. I have the 2008 Lariat as well and need to replace them but dont know if they are identical or different.