1994 Lexus GS 300 "gs300 idle" Questions

...gs300 high idle when warm any idea what would cause 1994 GS300 to idle at a constant 1500 RPM even after it warms up? It wont pass the safety inspection because of high idle check the TPS sensor and ...

94 gs300 i bought a used engine from a 93 sc300 and installed it in a 94 gs300.i only had to swap 1 sensor on the throttle body to fit my harness.engine starts up fine but it idles below 500 rpm.when ...

...gs300. my car idle is very low almost down to zero when it starts they are always on the throttle body by the hose that connects to the throttle body push gas pedal look under hood while doing this ...

gs300 will start but will not stay crunck unless the air is on and when you drive it with the air on it makes a loud noise. What is this? WHen you turn on the a/c, the computer kciks up the idle speed

what could possibily be the problem running rough 1994 lexus gs300? vehicle idle rough and goes dead Bad gas, fuel filter, plugs and wires, oxygen sensor. Not really enough info to tell you specifics

gs300 vsc lights on no response from gas pedal. Replaced tps idle valve motor and throttle lever assy. Still the same. When I start it cold in the am, I get a little response. its you throttle postion

...gs300 at idle Very loud buzzing type noise from engine While at idle and in gear a very loud buzzing noise all of a sudden from left side of engine ares, at the same time brake light on dash came on, ...

...gs300 has been experiencing rough idles when in drive mode. When I step on the gas the acceleration is fine, however when i come to a stop in drive mode or am at a dead stop and move to Is there a ...

...Idle Valve Motor", which is the larger electrical object next to the TPS on my 98 GS300. Problem is solved. The Codes I got were P1120 and P1121 - Accelerator Sensor problem. However it wasnt really ...

...gs300 and my engine light stays on. It idles a little high on a cold start for about 1 minute then its fine but the light stays on. Does the erg system have a filter that could be causing this? High ...