07 mustang gt engine issues

[Dino Dino Bambino]

Nope. A little moisture from the atmosphere may have got past the loose plugs but the pistons are aluminum alloy and won't rust.

 

[Sparrow07]

Alright, thank you guys for all of the help

 

[msvela448]

Glad you got it fixed... And a little maintenance along the way cleaning all those connections.

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[eighty6gt]

whoops missed some replies.

rust must be from the plug bodies.

 

[Dave1977]

I had a 2004 Crown Victoria PI I had weird misfires until I replaced all 8 coil packs. The accel coils were actually cheaper than the motorcraft.

 

[Windstang]

Glad you got your problem fixed! I was going to suggest a clogged fuel filter as a possible problem. I changed mine at 40K and was very surprised how much crap came out of the old one. It's something that is often overlooked. You need a little tool to release the filter but it is pretty easy to change.