Quote:
Originally Posted by ron59b
Adjusting ng the pelnum up or down doesn't remove the missing.
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What?
The entire aluminum intake plenum assembly unbolts from the heads and needs to be resealed if yours has not been at this point.
The CIS boot between flapper and throttle body, the eight round seals for the upper to lower, injector seals, etc, etc. Not a hard job, can do it in a long day without much cleaning or a weekend if you clean everything.
Before I did this, I encountered many running issues on my 560.