LACK OF PROPER ACCELARATION ON 1996 LS 400

  • Tiny
  • Popovich
  • 1996 LEXUS LS 400
  • 165,000 MILES

Hello, when trying to move forward. Car will not roll at all unless gas pedal pressed with extra effort which is unusual and never happened prior to 2-3 days ago. It feels like the car has no power in transmission however gear shifts are fine. Car was sluggish so I had changed the fuel pump 2 days prior to this problem accruing and it was flying like a bird and then all of a sudden It feels like rear tires are glued to the road on every stop. When pressing on the brakes the car downshifts suddenly with a clicking metal notice that seem to be coming from somewhere underneath. Not sure if it has anything to do with it as it was there before this problem started to occur. Help please!

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Thursday, January 5th, 2012 AT 5:53 PM

5 Replies

  • Tiny
  • Docfixit
  • EXPERT
  • 18,990 POSTS

Check engine light on? Do RPMS go up but no movement? Trans feel like in high gear? Trans fluid good level and color?

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Thursday, January 5th, 2012 AT 6:13 PM
  • Tiny
  • Popovich
  • MEMBER

. It is actually the opposite, transmission feels like the car wants to stay in a low gear, however, I don t have to force it too much and when I do, it accelerates with no trans upward jolts or slip. Just extremely sluggish. Feels like I have a concrete block in the trunk :(. No check engine light and trans fluid and color is good. Thanks!

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Thursday, January 5th, 2012 AT 6:21 PM
  • Tiny
  • Docfixit
  • EXPERT
  • 18,990 POSTS

Think need to have a Tech check this out not something can do on computer. Many possiblities and test equipment needed

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Thursday, January 5th, 2012 AT 6:29 PM
  • Tiny
  • Popovich
  • MEMBER

Thank you for your help!

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Thursday, January 5th, 2012 AT 6:59 PM
  • Tiny
  • Guruzini
  • MEMBER

In the trunk wiring loom driverside hinge unwrap loom and you will see the black white is breaking broken.

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Saturday, May 19th, 2012 AT 9:30 AM

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