2000 V10 getting 7.5 MPG
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Freshman User
Joined: Dec 2010
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2000 V10 getting 7.5 MPG
I recently purchased this F250 and the previous owner claims it got 12-13 MPG. Since I've had it (2 weeks)it's gotten 7.5 MPG. I spoke with Mike at 5 star and he said it should get 12-13 also. The plugs and PVC are original. Any suggestions what I should look for?
Junior User
Joined: Aug 2009
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From: Memphis, MI
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I'd start by changing the plugs, plug boots(cop boots) and the air and fuel filters. Make sure you torque the plugs. Search posts for spark plug change and it'll give u the correct torque spec. They need to be torqued to prevent thread damage. The best mpg I ever got was 13.5 freeway when I drove to florida.I Usually get 11 mpg mixed driving. Right now in the cold weather(I'm in michigan) I get between 9 and 10. I also have a lift and bigger tires. Hope this helps!
New User
Joined: Nov 2010
Posts: 18
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From: Wixom
Bad MPG as well, 99 F-250, 6.8 V10
I have a 99 250, V10. Just started getting 7-8 mpg, originally was getting 12-13, saw 14 mpg with all freeway driving at 65mph. Changed the plugs, fuel filter, and air filter - no help. It just recently started to sputter every now and then at low rpm at between 40 and 50 mph. I think I have a coil or coils that are starting to fail. Any suggestions?
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New User
Joined: Nov 2010
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From: Wixom
My friend had 3 coils go bad too. I am not getting a check engine light, are you? I hate to spend the $95 for my local Ford deal to tell me its a coil. I would rather spend that money on the actual coils, probably just going to replace all 10 to avoid future problems.
Lead Driver
Joined: Oct 2009
Posts: 5,406
Likes: 229
From: Pa
R U certain Gasoline is different in the winter? I know diesel is, but have never heard about gas!
New User
Joined: Nov 2010
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From: Wixom
Winter mix gasoline is different as well as diesel, although I have never had it impact my mileage more than 1mpg. I am down about 4mpg with an occasional sputter. The people at the dealership won't help with any suggestions either, "just bring it in and we hook it up for $95".
Lead Driver
Joined: Oct 2009
Posts: 5,406
Likes: 229
From: Pa
Winter mix gasoline is different as well as diesel, although I have never had it impact my mileage more than 1mpg. I am down about 4mpg with an occasional sputter. The people at the dealership won't help with any suggestions either, "just bring it in and we hook it up for $95".
I thought winter just killed us Diesel folk!
Hope you figure Your trucks out! Sorry for the HiJacking.