Quote:
Originally Posted by Stl-986
ok, quick update then I have to go work on my TJ since it decided to have an injector got bad today.
Have a good gauge. I am getting 14hg at idle. reving the engine up does make it increase, but still not to 20-25. Haven't hooked it up to the 03 yet, but I system vacuum is still low on the 00.
Once I get done with the Jeep I am going to just replace the intake gaskets. I'm not 100% it is even contributing, but I have them and they have never been replaced so it cant hurt (in theory). I'll have access to a smoke machine next weekend and can get it tested then but I'll keep messing with it this week till that gets here.
I doubt I am having a HG issue, would see other indications of that. Other then the misfires the car runs great and drives great. Idle is just crap and I cant get it to pass emissions testing cause of it.
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What was the action of the needle at idle???
When you get a chance test vacuum at a steady 3000 RPM and note gauge reading and needle action.
Also do a snap throttle test and note what needle falls and rises to.
I would also do a compression test on all cyl. that way we can compare one cyl to all others and compare bank 1 to bank 2.
Try to rule out valve train issues.