Riddle me this
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New User
Joined: Nov 2010
Posts: 18
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Riddle me this
Just changed my fuel filter on my 07 5.4L Lariat today. This will be the second time i done this. So this time i go buy the filter come home go to change it and notice that the stems on the new filter are smaller than the stems on the current filter. I go back to the parts store and find out there is a difference between filters for a Flex fuel system and a Regular Fuel System. The Flex fuel filter has the smaller stems. I look at the window sticker that was on the truck when i bought it new and it says 5.4L ethanol Flex Fuel. But this filter will not work because of the thinner stems. So i buy the other one just like the one on the truck and fits perfect. Why i didn't run into this problem last time is beyond me, i must of thought i didn't have the Flex Fuel system and got it right. So is my truck a flex fuel Engine or not? Would the Vin # tell me this.
Hotshot
Joined: Feb 2003
Posts: 11,537
Likes: 27
From: Long Beach, Ms.
https://www.fleet.ford.com/maintenan...ls/default.asp
Decoder for Ford VIN
Click on the 2007 PDF selector
In the #8 position code for 2007 5.4L Flex Fuel engine is "V"
In the #8 position code for 2007 5.4L gasoline is "5"
Decoder for Ford VIN
Click on the 2007 PDF selector
In the #8 position code for 2007 5.4L Flex Fuel engine is "V"
In the #8 position code for 2007 5.4L gasoline is "5"
Mountain Pass
Joined: Dec 2006
Posts: 244
Likes: 0
From: Wisconsin
Maybe on the 07 and up.. My 06 does not hae a yellow cap, but it is written on the black cap in white letters that E85 is acceptable fuel.
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New User
Joined: Aug 2006
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My 2006 has a black cap. It has the BP logo on it and says "Ford recommends BP Fuel".
The best way to determine is check your VIN the 8th digit will be V if it is Flex Fuel.
Chris
The best way to determine is check your VIN the 8th digit will be V if it is Flex Fuel.
Chris
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Joe Kucinski
Senior User
Joined: Jul 2009
Posts: 379
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From: Minneapolis, Mn
Flex Fuel
Sorry but not correct. I have a 07 F150 5.4 that's a flex fuel and I have a black gas cap on mine and it's factory. I have the window sticker and it shows it to be a flex fuel engine.
Elder User
Joined: Jul 2008
Posts: 554
Likes: 1
From: Newport, Wa.
BTW the 8th didgit on my vin is a 'V' and I have the black gas cap with the BP note on it.
Hotshot
Joined: Feb 2003
Posts: 11,537
Likes: 27
From: Long Beach, Ms.
https://www.fleet.ford.com/maintenan...ls/default.asp
Decoder for Ford VIN
Click on the 2007 PDF selector
In the #8 position code for 2007 5.4L Flex Fuel engine is "V"
In the #8 position code for 2007 5.4L gasoline is "5"
Decoder for Ford VIN
Click on the 2007 PDF selector
In the #8 position code for 2007 5.4L Flex Fuel engine is "V"
In the #8 position code for 2007 5.4L gasoline is "5"
Black gas cap or not THE VIN TELLS THE TALE!
If you have a "V" you have the flex fuel engine.
1F _ _ _ _ _ V _ _ _ _ _ _ _ _ _
Elder User
Joined: Jul 2008
Posts: 554
Likes: 1
From: Newport, Wa.
Shorebird, you took what I said wrong. I was just trying to say what you said. That I have the V and a black gas cap. So the color of the gas cap doesn't mean anything.
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