Hi guys, I have a 2004 f-150 4x4 with a 4.6l.
In the morning or when the truck has sit all day, I fire it up and it jumps up to almost 2000rpm and then after abit it will go down to 900 to 1000. I seems abit high from when the truck was new...any Ideas??

Craig

 

Remove and clean your throttle body and Maf sensor with the correct cleaners. Go from there.

 

I've cleaned the throttle body and the adapter, but not the maf sensor... i'll try that...

Craig

 

What adapter ? And did you remove the TB to clean it ?

 

I guess its called a spacer. Its the piece that the TB and the egr valve bolts to.
I replaced the egr valve and cleaned the tb and spacer. Cleaned both of them.

 

Didn't help please advise!

 

STILL having high idle issues!!!

 

I have the same issue. I actually posted this awhile back and someone told me its normal to apike to 2000 then slowly come down. Its to heat the cat up. Whether that or true or not, mine continues to do it. If its a problem I would love to know what I can do to rectify the problem.

 

It might be but with that work I am getting a P0405 EGR low limit code...
Any ideas???

 

Im not getting any codes on my Edge Evo but if this is a problem I would love to rectify it. Hopefully it isnt causing harm to the engine.