1991 Cadillac DeVille "91 running rough" Questions

...91 cadillac runs rough just on idle replaced plugs-wires-cap-all motor mts-cleaned injectors.runs and drives perfect but at idle in gear it is rough.can you help me?4.9 eng If by rough you mean it ...

...'91 ford f-150,efi,4.9,,,runs rough under load, id... '91 ford f-150efi4.9runs rough under load idles a little rough. Has dirty fuel filter symptoms changed filterno change. Brake lights not ...

91 taurus idles slow and runs rough when cold when it is cold out my 91 ford Taurus idles slow and runs real rough until it warms up then it is fine. what could be the problem spark plugs work better ...

91 oldsmoblie run rough when cold and idle very high when its hot it is a 91 oldmoblie cutlass surperm run rough when cold idle very high when hot. done replace the temp. sensor twice, and replace the

...rough, no Power then dies 91 Jeep wrangler New fuel pump, new fuel filter, Cleaned tank! new plugs, wires, cap rotor & coil. Starts, Idles rough runs good at high RPM but wont stay there for long ...

...91 oldsmobile 98 runs rough in idle but when driving run smooth. Rough idle is a very common problem on 4 cylinders, but I believe the 98 Regency has a 6 cylinder in it, right? Sometimes the coil ...

runs rough when cold my 91 Taurus runs rough and idles slow when it is cold out but once it warms up is fine, what could be the problem. Could be a vacuum leak.

91 4.0 6 cyl Rough ideal wont stay running. blue smoke what should I check if explorer won't stay running, rough engine ideal, smell un burnt fuel hesitate/ floods out when step on gas. Blue smoke ...

91 300 e starts after 10 to15 seconds of crankink runs rough for 3 to 5 min then its perfect have you replaced the fuel filter. try that first before anything else it is cheaper and possibly will take

91 tempo run rough with white exhaust After I start my car it idles ok but when I drive it runs rough and I have white exhaust If you are sure it is white smoke and the car overheats or looses ...