Mechanics

WILL NOT HOLD IDLE

1999 Lexus GS 300 • 6 cylinder 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
Avatar
Swagrus
July 28, 2011.



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

Rasmataz
Jul 28, 2011.
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

Tiny
Swagrus
Jul 28, 2011.
Clean the MAF sensor with an electronic cleaner- also check the idle air control valve

Rasmataz
Jul 28, 2011.