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Message: [QUOTE="superpsd, post: 1442698, member: 15821"] So the injectors run good once warmed up and it fires off on all 8 once you punch it right? Sounds like typically poppet valve wear. As the poppet sinks the armature gap clearance goes beyond. 002" of clearance. When cold the armature will stick to the body top. So technically stiction due to wear. When I built my injectors I played with some core injectors. I didn't touch the oil sides as I wanted to roll the dice and see if they would run. I had two injectors that had the same exact symptoms. You can check armature gap clearance without removing the injector. I fixed my two lazy sticking injectors without even removing them. I used a surface grinder and took some material off the back side of the armature plate to retain good clearance without affecting poppet travel. I made it thru the winter seeing day after day of cold starts not plugged in at 20° without issue. In fact starts fast and on all 8 with out any lope. [/QUOTE]

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