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Old 10-27-2006
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TFI or EDIS ignition ? '95 3.0L

I went to get spark plugs for my '95 Ranger 3.0 L and O'Reilly Auto asked if it was a TFI ignition or a EDIS ignition. They had no clue what that meant or how to determine which it is. They each use different plugs. Anybody know how to tell?
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Old 10-27-2006
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Should be EDIS, meaning that there is a coil pack and no distributor.
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Old 10-27-2006
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Why should that matter in what kind of spark plugs you need? arent they they same plugs on each ignition system?
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Old 10-27-2006
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Your truck lists either ignition, there must have been some with a distributor and a TFI module and some with EDIS, (Electronic Distributorless Ignition System). The plugs listed are different for each type.
For TFI Ford lists: AWSF32P and for EDIS Ford lists: AGSF32FM
Both are Motorcraft plug numbers and original equipment.

I think the difference is that there were still a few early non OBDII trucks sold in '95, I had one myself. But either mid year or only in some areas, they went to the newer design and OBDII.
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Old 10-28-2006
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So it only matters because he's got a 95 and they used two different plugs for the two different ignition systems?
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