Dean2

So, did you get it sorted? What was the cause of it running so rich?

You help your way, I will help my way. If you check my posts on here you will find all of them are technical and helping answer other people's questions. The vast majority, like this question, are questions posted by first post members, who ask one question, get the answer they need, never come back to even bother to say thanks, let alone add any value to the group later on. If you don't think my answers add value, feel free to put me on ignore but don't tell me how I need to help.

Use the individual window controller and roll the window all the way down, then up, hold the button at full up for about 5 seconds, you should hear a beep. Once you have done this for each window the drivers door switch as well as the one touch should be working for all windows.

Typical, new member, one post, never comes back, no thank you for the info. Pretty common pattern on this and other car forums. They wonder why newbies have a hard time getting an answer.

Step 1 .... get up from computer and go out to your car Step 2 .... open glovebox, remove manual Step 3 .... read your manual !!!!! It's all in there.

Go back to the dealer and make them show you how it works. Every dealer up here has a demonstration and setup expert. They go through a 1 to 2 hour process with each buyer. They will show you how your car works and preset all of the driver selectable options for you and walk you through how to do it. Well worth the hour or so it takes to see this hands on. https://www.autouserguide.com/lexus/es350/lexus-es350-2023-cruise-control-user-manual/ Selecting Constant Speed Control Mode When constant speed control mode is selected, your vehicle will maintain a set speed without controlling the vehicle- to-vehicle distance. Select this mode only when vehicle-to-vehicle distance control mode does not function correctly due to a dirty radar, etc. With the cruise control off, press and hold the cruise control main switch for 1.5 seconds or more. Immediately after the switch is pressed, the dynamic radar cruise control indicator will come on. Afterwards, it switches to the cruise control indicator. Switching to constant speed control mode is only possible when operating the switch with the cruise control off. Accelerate or decelerate, with accelerator pedal operation, to the desired vehicle speed (at or above approximately 20 mph [30 km/h]) and press the “-SET” switch to set the speed. Cruise control “SET” indicator will come on. The vehicle speed at the moment the switch is released becomes the set speed. Adjusting the speed setting: Canceling and resuming the speed setting: Dynamic radar cruise control with full-speed range can be set when The shift lever is in D. The desired set speed can be set when the vehicle speed is approximately 20 mph (30 km/h) or more. (However, when the vehicle speed is set while driving at below approximately 20 mph [30 km/h], the set speed will be set to approximately 20 mph [30 km/h].) Accelerating After Setting the Vehicle Speed The vehicle can accelerate by operating the accelerator pedal. After accelerating, the set speed resumes. However, during vehicle to-vehicle distance control mode, the vehicle speed may decrease below the set speed in order to maintain the distance to the preceding vehicle. When the Vehicle Stops while Follow up Cruising Pressing the “+RES” switch while the vehicle ahead stops will resume follow-up cruising if the vehicle ahead starts off within approximately 3 seconds after the switch is pressed. If the vehicle ahead starts off within 3 seconds after your vehicle stops, follow-up cruising will be resumed. Automatic Cancelation of Vehicle-to-Vehicle Distance Control Mode Vehicle-to-vehicle distance control mode is automatically canceled in the following situations. VSC is activated. TRAC is activated for a period of time. When the VSC or TRAC system is turned off. The sensor cannot detect correctly because it is covered in some way. When the brake control or output restriction control of a driving support system operates. (For example: Pre Collision System, Drive-Start Control) The parking brake is operated. The vehicle is stopped by system control on a steep incline. The following are detected when the vehicle has been stopped by system control: The driver is not wearing a seat belt. The driver’s door is opened. The vehicle has been stopped for about 3 minutes If vehicle-to-vehicle distance control mode is automatically canceled for any reasons other than the above, there may be a mal-function in the system. Contact your Lexus dealer. Automatic Cancelation of Constant Speed Control Mode Constant speed control mode is automatically canceled in the following situations: Actual vehicle speed is more than approximately 10 mph (16 km/h) below the set vehicle speed. Actual vehicle speed falls below approximately 20 mph (30 km/h). VSC is activated. TRAC is activated for a period of time. When the VSC or TRAC system is turned off. When the brake control or output restriction control of a driving support system operates. (For example: Pre Collision System, Drive-Start Control) The parking brake is operated. If constant speed control mode is automatically canceled for any reasons other than the above, there may be a malfunction in the system. Contact your Lexus dealer. Situations in which the Curve Speed Reduction Function may not Operate In situations such as the following, the curve speed reduction function may not operate: When the vehicle is being driven around a gentle curve. When the accelerator pedal is being depressed. When the vehicle is being driven around an extremely short curve. https://www.lexus.com/My-Lexus/resources/video-detail-page/vehicle-features/dynamic-radar-cruise-control--gen-10-

It won't hurt and if it is old or plugged up it could be part of your problem. Have you done a compression test to see if it is, rings, valves etc.

Well, outside bad O2 sensors, plugs, coils, plugged pcv and you already changed those I am left with you are getting extra air from somewhere, or your ecu needs to be reset and the ecu being off, unless you did something to change its programing, doesn't seem real likely. Does the car idle at normal rpm, and does it drive normally, just sucking a lot of gas?

If you just replaced the intake gasket recently then I would for sure be checking for a leak there. Once you have checked let me know the results. Are there any error codes stored. Have you done an obd code read?

With car warm and idling spray flammable throttle body cleaner around the intake manifold gasket. If it is sucking air you should be able to hear a difference in the idle rpm. Also, if you have a live OBD reader you should be able to read the vacum level. Also, you can use an old style vacum gauge, it should read 18 or more, if you have a vacum leak it will read a lot lower.

Check for an intake manifold leak. If you have a leak, additional air is being pulled into the engine and the ECU will add fuel to balance it out. Causes really poor gas mileage and what appears to be a run rich scenario.

They have been made by Aisin for decades and Japanese producers do not switch suppliers easily at all. Long term relationships are how they run their businesses. I would assume they made them for those too.

If you look up GS430 the fluids and capacities are the same. Also the owners manual has all that information in it. If you don't have one download it from the Lexus site. The 2008 sc and yours are very similar. https://www.lexus.ca/lexus/en/know-your-lexus/manuals

32 years old, your mechanic is spot on. New belt, water pump and tensioner. You can buy the complete kit, OEM Aisin parts, from Rock Auto for a good price. Your mechanic will charge you about 8 hours for the job. Plugs should be fine, but i would do coolant, oil, filter and brake flush just becuase of the age, unless you know when they were last done. A few treatments with in tank injector cleaners and a then new fuel filter would also be a good idea.

Put a 5 gallon jerry in the trunck. Run it till it stops. Add the 5 gallons go to station and fill up. You will pretty soon know if you are getting a short fill or there is way more than 2.2 gallon in the tank when the light comes on.