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1998 Lexus GS400 4.0L Hesitation
Posted to Asian Driveability on 10/3/2005 8 Replies

maf readings idle 4.5gps 2500rpm 14.7gps 3500 rpm 23gps are these values good??? hesitates bad cold and a little better warm pulled injectors to be checked and cleaned. fuel pressure 45 - 50 pulse width spreading nicely o2 goes 0mv no codes data good ect

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car Vehicle Data

1998 Lexus GS400

VIN JT8BH68X4W
Engine4.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsHesitation
OccursAlways, on Accel
Message Closed w/FIX

car Vehicle Data

1998 Lexus GS400

VIN JT8BH68X4W
Engine4.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsHesitation
OccursAlways, on Accel