Question about 1998 Lexus ES 300

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Shaking problem I have a lexus ES 300, 98. when i am driving in the city below 50 MPH, it drives perfect but when I speed 60 to 70 MPH is when the problem starts. it sounds like the engine whants to torn off. so i stop for about 10 minutes and it works ok. some friends say it may be the computer but i don't think they're right. thanks a lot for your help.

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  • Dan B May 11, 2010

    Put the car in Park or Neutral and step on the gas to bring the RPM up between 2500 to 3000.  Does the engine run smooth while the RPMs are up or starts to wig out as described?   If engine is running smoothly, does the steering wheel shake at 60 to 70?


    First check your tire pressure.  All tire should be between 32 to 35 psi (all tires at same pressure).  Very low on one side and high on another will do what you have described becuz low pressure tire will deform at higher speed and turn into an oval causing the bounce.


    If not tire pressure, take to a shop to check tire roation, alignment, suspension, and broken hardware (tie rods, stabilizer linkage)

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Shaking problems star.. from front end.. check you tires out of round shape.. balancing tiress. inner and outer tie rods. alignament

Posted on Feb 26, 2009

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