1999 Buick LeSabre "runs rough" Questions

...runs rough in overdrive car idles rough also runs rough in overdrive. Problem started after a oil change???? weird..Catalyst was stopped up had to punch a hole in it to get it to run. Took it to ...

...runs rough when warm when the car is cold it runs fine. Once it gets warm it starts running rough/missing. replaced coil pack and fuel pump. what could it be? Buick 97 lesabre, runs rough when ...

...runs very rough When I My 93 LeSabre Starts and runs very rough When I put it in gear it wants to stall I have in the last month replace fuel filter cam sensor crankshaft postion sensor hermonic ...

...runs rough at 50 mph The engine loses power and runs rough at 45 to 50 mph. Brlow 45 mph the car runs great. What can be the possible problem? Sounds like low fuel pressure. i.e. fuel pump, fuel ...

...when it is wet or when it is damp and raining the car runs rough and hesitates between 45 and 55mph. When it is dry out, no rain, the car runs good enough for the year (95) replace the spark plug ...

92 Buick LaSabre, runs really rough. Sounds like 92 Buick LaSabre, runs really rough. Sounds like it is missing, especially when driving up a long hill. check the fuel pump

...runs rough until I get up to about 30mph and it is running through gas like crazy Sounds like you have cylinder misfire. Any of the large auto parts stores can run an OBDII check and tell you which ...

...runs rough while just in idle. The service engine light started blinking and many abs light also stays on. Please help! ! So have the vehicle worked on You have several issues & know that Stop ...

runs rough how could I fix it and why is it running so rough? I have changed the gas filter I have used a computer to look for codes and didn't find anything check your ignition system. A good quality

runs rough. It started running rough and the I drove it around for a while and it was okay for several weeks and then started running rough again and staying that way. First I would change where I buy