Yet another mysterious 5.4 miss....
Technical Article Contributor
Joined: Oct 2005
Posts: 25,641
Likes: 19
From: MI
Well I think I figured it out...I changed plugs back to MotorCrafts and it still missed. I drove it for about 30min until it was missing good and started pulling injector wires. I figured out cylinder 2 was dead. I pulled the coil with the truck running and no spark what so ever. I threw one of my old coils in and all is well now. Now I need to contact Global and exchange the coil for a good one. Thanks to all for their help
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Senior Member
Joined: Jun 2005
Posts: 291
Likes: 0
From: Central City IA
Im not sure the codes it threw were accurate. Originally I couldnt get it to throw a code at all. After messing with it(pulling coils and unplugging the injectors)I finally got it to throw codes but it could have been me unplugging things with it running. I also dont know where the #2 coil was at originally....I didnt number anything when I took it apart so I dont know where it was. It wasnt a dead hole right a way either....It was just an intermittent miss even after i replaced the plugs. The more I messed with it, the more it missed until it finally just died