2001 Buick LeSabre "gas engine surges run smoothly" Questions

...engine lite if it was having a problem. Of course the third time I started it after picking it up the damn thing barely ran for a minute or so before finally smoothing out. No check eng lite. This is ...

...engine surges at idle , press on gas surges more and sounds like exhaust is trying to come out of intake....there is no back fire and then just shuts off.... im thinking it could be cat conv...i ...

...engine starting or revving, but I'll be pressing the gas and the car will **** intermittently until (I guess) it's warmed up and then I have no problems. Any guesses? Thanks. It would help a Lot if ...

...engine. It surges when you are at cruise speed. When you give more gas it runs fine. When you change gears letting off the throttle and then giving throttle it hesitates. It idles smooth and ...

gas. Also, when the engine light comes on, it runs alot better (light only comes on for a minute or two then goes off. Please help. Take your car in to have your check engine light code read. Most car

...engine is warm. Cold running is fine. STP Injector cleaner in the gas and Sea Foam in the oil (there also was a miss under load and occasional backfire through the intake manifold -- like a sticky ...

gas pedal. 3.5L V6. The engine runs smooth when the rpm's are low, in town driving. When rpm's go high, like climbing a hill, the Pacifica engine starts to run "rough", like the timing is off. I think

...Engine surge About 2 I/2 mounths ago I bought a 93 Bonneville w/134,000 miles. Have torque converter lock up problem which I was told could be the TCC by trans shop. But along with that, the car ...

...engine will run real smooth for one day,rough the next. (please help) Im not sure if you got it fixed yet! It could possibly be idle air control valve. But here some more suggestions! I had a 94 ...

...gas pedal to keep engine from dying also seems to be surging at 500 rpm.there is no misfire and runs smoothely on the road just can The TPS sensor (or Throttle Position Sensor) is bad locate it and ...