1993 Buick LeSabre "car runs rough overdrive" Questions

...Car runs better but still idles rough and at steady speeds runs rough. Runs so rough it makes engine shake in engine compartment..thought it was the drive shaft when driving but it also does it in ...

runs rough at high speed/ O.D. only. New throttle body, pedal, coils, and plugs. Where to look now? Have changed o2 sensors, crank position sensors also. Even at 200k she still run great with no leaks

...Car run rough at low rpms when in drive after a couple weeks it started running rough in neutral also. If I keep the rpm's up when going slow if I put it in 1st gear and then 2nd then if I keep ...

...e350 runs rough in overdrive most likely the ignition system is breaking down under load and it's heaviest load would be in overdrive common ford problem start with plugs and wires see if this

...Crown Victoria Police Interceptor runs rough I turn off the overdrive it drives pretty smooth do you know what the problem is and how to fix it or what needs to be replaced Overdrive clutch going

...rough, overdrive light flashing I was driving along and hit a rough spot in the road and then my truck starting running rough, no power,overdrive light flashing and service engine soon light came on. ...

...rough and I saw that the overdrive light was flashing "off" I had not turned it off....when I restarted the truck it ran ok, however when I went to stop at a light it ran rough and idle was not good. ...

...gear at all. But when I turn the car off it clears the error and runs fine until it tries to go into overdrive again. I haven't worried about it t Have you checked the transmission fluid

runs real rough replaced ignition module, spark plugs,wires,egr valve,egr valve solenoid,cap and rotor on distributor. timed with proper equipment. truck pops and backfires during normal driving. when

...van when in overdrive runs rough, like its not running on all cylinders but at lower speeds runs ok The Misfire is just more noticable at higher speeds. I would recommend that you do a tune