5.4 2003
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New User
Joined: Jun 2004
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5.4 2003
I have a 2003 F150 with a 5.4 that just blew a plug. When the dealer look at the engine they said that all of my plugs were in just finger tight except for no. 3 which blew out. They also said that they were not the original plugs since they did not have the white mark on the top. I have never touch the plugs nor has anyone else in the 37,000 miles that I have had the truck. They are saying that it wont be covered under my ext. warranty. Is there any way unmarked plugs could be put in or is this foolproof at the factory?
Hotshot
Joined: Aug 2002
Posts: 12,679
Likes: 15
From: BC, Canada
Hi Tom and welcome to the forum 
From the factory the spark plugs always have paint on the ends.
I wonder if maybe when it rolled off the carrier at your dealer it was cold and the engine flooded and fouled the plugs, or something like that, and they had to be replaced.
Your dealer should be able to see if that was the case by looking in the history for the truck.
If they still wont cover it you could maybe try another dealer if there is one close by.
From the factory the spark plugs always have paint on the ends.
I wonder if maybe when it rolled off the carrier at your dealer it was cold and the engine flooded and fouled the plugs, or something like that, and they had to be replaced.
Your dealer should be able to see if that was the case by looking in the history for the truck.
If they still wont cover it you could maybe try another dealer if there is one close by.
Thread Starter
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New User
Joined: Jun 2004
Posts: 2
Likes: 0
I did buy the truck new, in fact it was in december of 2003. The dealer that I bought the truck from had to get the truck from another dealer. If I contact that dealer do they have to proivide me with the vehichle history and if they did any work to the truck do they have to put that in the history?
