Questions & Answers for: Ford F-150 idles rough

1985 f150 rough idle I have a 1985 f150 that has a really rough idle it was taken into the shop and it has an exhaust manifold leak but I also think theres something els making it idle really rough ...

rough idle 2003 f150 i have a 2003 ford f-150 with the 5.4 v8 and it starts fine but idles rough in park and gear until 3000 rpms what could this be? plugs or wires need replacing.

...rough idle when I put it in drive, when I go it runs fine. Also idles in park fine, what is it? This is issue with the ICA valve. Get it cleaned that should solve the problem, if not replace it. ...

...idles rough and when you turn on the ac it wants to die. Checked the codes and there are no codes.Any suggestions? is the rough idle a miss or a rough idle? check the EGR valve if this is stuck open ...

...idles really rough most of the time, At times it idles smooth cold start or after getting to running temp. Could this be a MAF sensor issue? what was the code? FYI- I just went through this with my ...

idles rough. Sometimes when I accelorate it fells rough. When I get up to abou 40 mph it feels like I'm offroading cause it jerking bad. If I le off the excelorator it stops or if I speed up it stops.

2003 F-150 p/u...rough idle @ stop and then complete engine shut down if in drive after about 10 seconds...will idle in park or neutral roughly but if in DRIVE and stopped will shut down...still has ...

idles rough has power f150 96 f150 4.9 straight 6...idles rough has power when running then idles ok for a while exhaust is rich and the check engine light is not on If exhaust is rich, you may have ...

...idles rough and hesitates when accelerating below 2000rpm. problem is very slight when engine reaches operating temp. Has it ever been tune up, It can be issue with IAC( idle air control valve) ...

...idles rough in Park/Neutral, and while in drive/reverse. Already had the famous rough idle and stall problem a couple of years ago(the air idle mixture valve was carboned over) Appears to be missing ...