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Need Spark Plug recommendation
Many 2003 models have the 2v 5.4, mine included. I'm not sure the the cutoff date when they went to the 3v. You need to check which motor you have. Motorcraft plugs are: 2v = SP-479 3v = SP-515 The 2v plugs are not hard to change (just time consuming) and won't break off in the head like...- atomicwerks
- Post #10
- Forum: 2nd Gen - 2003 - 2006
