Yes that will def cause the NOX to be up, clean the intake with a vacumm cleaner sucking up all you can. If it's running hot when is it running hot idle running down road?
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Update:
Did my Valve stem seals...
Let me say WOW! out of 12 Seals i would say 10 were broken in half and 8 werent seated all the way down haha...
Cleaned out the intake...
WOW about 2" thick of carbon buildup in the exhaust crossover passages...
So thick i carefully took a dremel to the carbon to clean it out with a vacum on hand for dust...
Found there was no T-stat in my engine...
The Thermostat sender housing was snapped in half and the prev owner put it back together using a
Sh!T load of silicone ahha hilarious....
Im still hunting down a vac leak causing a VERY annoying stumble...
Me and a friend have been looking for it for about 4-5 days
Update:
Im still hunting down a vac leak causing a VERY annoying stumble...
Me and a friend have been looking for it for about 4-5 days
LOL No... No Swamps here i think the prev owner just hadDid you pull that truck out of a swamp? You should look into swapping out the engine, redoing the vacuum lines, and pretty much redoing the whole front end...It just sounds like that engine is going to be one problem after the next...the previous owner didnt take care of it and ghetto rigged it.
Ehh its nothing to me i have a DD and picked it up for 350...I would be afraid, very afraid........ to keep spending money on it.
Frank
Yea thanks robbie... Pretty funny my 1st oil change was less than a month ago! And yea its saved me a bunch of money plus the knowledge... its amazing...Don't get too discouraged, man. You do seem to be getting an education in twisting your own wrenches- that in itself is a very valuable skill to have.
Thanks... I found 1 after i took my intake offFeel behind the carburator, there should be a few rubber plugs, if there is a slight crack in any hose it will leak.
HAHA! Well the only reason i knew something was up was becuase my egr was inoperative... i bench tested it and worked 100% so my next guess was plugged passages on the crossover...if you had 2 inches of carbon build up.....i dont want to look at mine......its prolly full. it was a farm truck its past 15 years