WILL NOT HOLD IDLE

  • Tiny
  • swagrus
  • 1999 Lexus GS 300
  • 6 CYL
  • 4WD
  • automatic
  • 298,767 miles

I have a 1999 lexus gs300 that had over 200000 miles for some odd reason the car always cut off if I come to a complete stop unless I keep 1 foot on the gas pedal & 1 on the brake ive replace the whole engine with a rebuilt engine with 99000 miles & im still having the same issue ive replace the fuel pump as well there r time if I start the car it jus idle very high what could b the problem

Thursday, July 28th, 2011 AT 4:32 PM

3 Answers

  • Tiny
  • rasmataz
  • Member

Clean out the idle air control valve/throttle body and see what happens

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Thursday, July 28th, 2011 AT 4:37 PM
  • Tiny
  • swagrus
  • Member

Thanks for your input but I replace the trottle body with the same yr car 99 gs 300 @ my uncles body shop & still the same results I was thinking it was something maybe fuel related

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Thursday, July 28th, 2011 AT 4:44 PM
  • Tiny
  • rasmataz
  • Member

Clean the MAF sensor with an electronic cleaner- also check the idle air control valve

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Thursday, July 28th, 2011 AT 4:47 PM

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