[su_maverick]

well, the only way that intake runner should be hot is if your intake valve is stuck open a little and some of the combustion is leaking out into the intake tract. That could be catistrophic since the injectors are part of the intake manifold. The last thing you want is ignition in the intake. I would take off the manifold and check for combustion residue in the intake tract for that cyl. If it is darker than the others then you have an issue.