How do you clean the throttle body on a Lexus LS400?
- If you want to be official you can drain some engine coolant; steps 1-4.
- Remove air intake and engine covers .
- Disconnect the throttle position sensor.
- Disconnect the 3 cables and then loosen the cruise control cable bolt.
- Remove this hose so you have some room to work.
Why does my Lexus LS400 idle too low?
If the cable is too tight, the Lexus will idle to high-decreasing fuel economy. Making sure that you have the proper tension on the cable will prevent the LS400 from idling too low and stalling. Start the Lexus LS 400 and allow the vehicle to reach normal operating temperature. Then, check the idle speed.
What happens to the throttle cable on a Lexus LS400?
The throttle cable, specifically, controls the idle speed. If the cable is too loose, the idle will drop. If the cable is too tight, the Lexus will idle to high-decreasing fuel economy. Making sure that you have the proper tension on the cable will prevent the LS400 from idling too low and stalling.
Where do you find the engine code on a Lexus LS400?
For engine codes, you count the blinks on the check engine light. For transmission codes, you count the blinks on the “O/D OFF” light. For airbag codes, you count the blinks on the “airbag” light.
Where are the diagnostic terminals on a Lexus LS400?
Connect terminals Te1 and E1 by placing a short piece of wire in the TDCL diagnostic port under the steering wheel. You can also connect these terminals using the check connector located in the engine bay. For engine and transmission codes you place the jumper wire in Te1 and E1.
If the cable is too tight, the Lexus will idle to high-decreasing fuel economy. Making sure that you have the proper tension on the cable will prevent the LS400 from idling too low and stalling. Start the Lexus LS 400 and allow the vehicle to reach normal operating temperature. Then, check the idle speed.
The throttle cable, specifically, controls the idle speed. If the cable is too loose, the idle will drop. If the cable is too tight, the Lexus will idle to high-decreasing fuel economy. Making sure that you have the proper tension on the cable will prevent the LS400 from idling too low and stalling.
What should the idle speed be on a car?
Turn the nut clockwise with a 10mm box end wrench to tighten the cable. Check to confirm that the idle speed is between 500 and 800 RPM. Continue to turn the throttle adjuster clockwise until the idle is between this range. I am a Registered Financial Consultant with 6 years experience in the financial services industry.
What’s the idle speed on a Toyota Prius?
Turn the nut clockwise with a 10mm box end wrench to tighten the cable. Check to confirm that the idle speed is between 500 and 800 RPM. Continue to turn the throttle adjuster clockwise until the idle is between this range.