Questions & Answers for: Oldsmobile Alero shaking engine at 40 mph

40 mph The car starts and runs, but will not accelerate beyond 40 and then just loses power and decelerates. I happen to own a 2002 alero, and my wife called me and said the same problem had happened.

...shaking check engine light and trac off light still on last error code i got was 0300 usually excessive shaking of the engine caused by loose front crank pulley or damper, or loose flywheel or flex ...

...wouldnt get over 40 mph. HAVE CAR SCANNED.TO SEE WHAT CODE YOU ARE GETTING.SOUND LIKE YOU HAVING PROBLEMS WITH THE ABS + TRAC SYSTEM.COULD BE WIRE GROUNDING CIRCUIT CAUSING THE TRAC LIGHT TO COME

...40 mph then it gets progressively louder as the speed pick up. the engine sounds perfect at an idle and the tires are brand new. could this be some sort of drive line issue? I don't feel any strange ...

40-45 mph.thanks! AIR CONDITIONER PUT LOAD ON ENGINE.IN ORDER FOR ENGINE TO CARRY AC LOAD YOUR ENGINE HAS TO BE TOP KNOTCH SHAPE.SPARK PLUGS + WIRES HAS TO BE GOOD.FUEL FILTER AND AIR FILTER HAS TO BE

My 2002 Alero starts to shake when you reach 55 mph usually this is caused by improper tire balancing. would be the first thing I would check

...40 mph the check engine light blinks and the car won't go over 40 mph. But once you get under 40 mph the light shuts off. What is the issue? your car is going into limp mode, check your tranny shift ...

...MPH This due to warped brake rotors. One good indication is the violent shaking of the steering wheel ONLY when appling the brake pedal. Replace the brake rotors. They are very easy to replace so let ...

...shaking bad, would not accelerate more than 2 mph it seemed. Then Trac Off light came on followed by flasing service engine soon. What happened? Start the car and have some stand behind the vehicle ...

...engine shakes. As soon as I drive, the shaking stops. What could be the issue? sound like you have a cylinder not firing properly, a tune-up would be the first thing i'd try the clutch is not ...