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Anonymous Posted on Dec 20, 2008

When i start car it sputters and shakes until 45 mph.

My 1992 Lexus Es300 sputters and shakes when i start it, but when i reach about 45mph it runs very well but when i slow down to about 35mph
it starts to sputter and shake. When i stops at lights it shakes as well. Once i reach 45 mph and above the car runs like a dream.what could be the problem?

Chaz

  • 1 more comment 
  • Anonymous Dec 21, 2008

    check your pistons caps and bearning!
    i had the same problen and the engine blew on me while driving so be carefull.......check ur oil pan for metals grading....

  • Anonymous Mar 13, 2014

    a pulsing hitting grinding noise in the front end plus it does shake

  • Anonymous Mar 24, 2014

    after I start rpm ups down with out doing nothing at stop sing signal light when I use brake to stop car it shake a lot and rpm go up and down

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  • Contributor 5 Answers
  • Posted on Mar 18, 2009
Anonymous
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Joined: Mar 18, 2009
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Spark plugs wires needs complete tune up also synthetic oil change not designed to run on regular oil then check bearings

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