sometimes my jeep sputters and sounds like its missing, then i noticed that the manifold is glowing red hot..any suggestions

 

I am not 100% but is a sign you are running lean. Can/have you check your timing, air/fuel ratio?

 

i would have to say running lean..and hot? i may be rong

 

My mistake, I meant lean. Not rich, post edited.

 

check the injectors for those two cylinders make sure they are not clogged. Hope someone more knowledgeable chimes in!

 

Verify the fuel pressure and look for vacuum leaks.

You can rent a fuel pressure gauge at most any auto parts store. The valve is on the fuel rail.

Grab a can of WD-40 and spray it around where the intake manifold touches the head. If the engine bogs then you have a vacuum leak. Also check the vacuum lines.

Check engine light?

 

no check engine light but where else can i receive a vacuum leak, where is the vacuum lines?

 

Anywhere there is vacuum, like hoses, around the gasket like he stated.

 

okay well there is a vacuum hose coming from on top of the valve cover the one in the front of the valve cover i took the hose off it and its just the plastic 90 degree hose

 

This is where I leave the convo, because I dont own a jeep (yet) so Im not sure what should be there. Good luck tho! Sorry I wasnt much help.

 

thanks neway

 

Do'nt worry about the ones on top of the valve cover. Those are part of the PCV system, see this wiki link http://en.wikipedia.org/wiki/PCV_valve.

There should be a vacuum diagram on the under side of the hood. It will show where the vacuum lines are located.

Edit: I should say dont worry about them as long as they are connected, oopsies.

 

Another problem of this could be a plugged cat. One of my friends had the same problem your having and found out the cat was plugged, if all else fails, check it out.

 

or the muffler is plugged or broken down in side start the truck have some rev it up make sure there is a increase in exhaust coming out of tailpipe with yuor hand