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Bolts seem to be tight, I haven't sprayed around it while running yet. It sometimes stumbles while idleing and kinda stumbles when I first give it gas, but cleans up once I give a little more gas. It only acts like this every once in awhile. It does seem to do it more when its cold or right after a fill up. I have checked all the vaccum lines and I am not getting any codes. Checked the TPS and it is within specs for voltage, but don't know if maybe it is going out and only seems to act up at certain times. Any ideas on what to check and how to check it?
the dak i just picked up i believe is doing the same thing. While idleing either in drive or nutral, the engine runs a little rough. like maybe the idle is set to low maybe.
It sounds like you need to clean the air intake sensor that is located in the hose going to the airbox. Replace the pvc valve too and give that a try.
Hope I have helped. I have done this to my 4.7 and changed the plugs to autolite and it helped out alot.