2003 Ford Expedition "rough idle fix" Questions

...idle control valve did not help so, when the engine is burning a rich mixture, it runs rough. Please take it to an Autozone and ask that they read the ODB messages. It could be that your idle mixture ...

...rough idle below 1000 RPM and stalls at a stop. Any simple solutions before spending $100 on diagnostic, then more $$ on what has to be fixed? it is very possible that it is a idle air control ...

My 2004 Expedition is idles rough sometimes to the point that it dies. I have never had any problem at all with this vehicle. It has almost a 100,000 miles and all that I have done is change the oil ...

...rough idle Having a hard time figuring out issue with this truck-- It idles rough (not constantly, but enough to notice) and now it is awful on any kind of hill (even small incline)--hesitation and ...

...rough or stall at idle. It really doesn't make it run rough while driving or accelerating. What are the conditions when the car runs rough? The EGR valve is the round disk looking piece with a vacuum ...

...rough thought we had some bad gas so changed the fuel filter and that did not fix the problem took it to the Ford dealership to have them work on it they changed spark plugs and ignition coil and ...

...rough idle at take off and when stopped in gear 5.4liter? Possible there is a pretty big vacuum leak. With vehicle running, remove plastic cover over intake/throttle. slowly pour medium amounts of ...

...idle air control valve. This valve is located on the throttle body and is normally held on by a couple screws. You can clean this with throttle body cleaner. Just make sure that it is completely dry ...

...ROUGH / LOW IDLE? DTC P0506 is idle speed too low. You most likely have a sticking IAC motor(pretty common with that truck). You can try tapping it with a soft hammer to free it up temporarily but it ...

...rough at idle but clears up when driveing down road I know I have a manifold leak and the previous owner said it was a coil pack, however after I had advanced auto check codes they said I was most ...