This is the "injector holder", the nozzle is inside. I believe that disassembling the two halves to replace the seal will require re-balancing as this affects the shim stack height? Others will be able to verify.
If the injector holder is leaking as you have observed, it will affect nailing at idle as the slight leak will delay the injection event and thus ignition timing. If you get more nailing from one cylinder than others this is likely your problem.
Quote:
Originally Posted by dino67
I'm noticing one issue in the rear-most injector. It looks like there might be some minor seepage between the upper and lower halves of the injector. Is this a major issue? Can I remove the injector and tighten the two parts to stop it or try to tighten while the injector is still on the car? Are the two pieces threaded together and are they "normal" threaded, not reverse thread?
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