runs rough

I can't find a vacuum leak anywhere. It all started suddenly. The engine started running very rough. It would almost stall at traffic lights and I had to drive two-footed to keep it running to nurse it home. It is running extremely rich to the point where it blows black soot out of the...

Had two diagnostics, 1st said PCM O2 side no voltage coming out. took to dealer with replacement PCM, said not computer; still running on original. 2nd dealer diag said truck old, timing belt is my ping kinda noise, also said compression checked twice cyl 2 and 4 gave low then normal value. One...

HELP!!!! - Rough running, Intermittent on cyl. 1&5 only- possible bad ICM? I have a 1993 Ranger 4.0L-OHV, 5spd, 4x4 It has been running rough, at idle, as well as at speed, for a little while now. It doesn't feel like it is down on power, nor is it a "dead" miss, but its not right. It is...

Originally I thought this was temperature related. I have changed my mind. 93 ford explorer, idles fine, accelerates fine as long as it is in park and not moving. It ran 45 minutes this morning with no misses or acceleration trouble while I ran tests. Took it out on the road, gunned it, 0-40...

New member here. Since the purchase of my mountaineer I have been exploring the Explorer forums for a couple of months and have found many useful tips on my MACH Audio, door locks, and some other things. Many thanks to all who have made this possible. Now for some fun, Codes Codes. Left side...