Why does my Toyota Sienna idle go up high?
This is bolted to the bottom of the throttle body. The computer duty cycles this Rotary valve to control where the idle is set at. When you have a problem with stalling generally what happens is carbon and varnish buildup in this valve and causes it to stick.
What kind of noise does a Toyota Sienna make?
Ive got a 2004 toyota sienna thats got a fairly loud ive got a 2004 toyota sienna thats got a fairly loud knocking noise on start up when the engine idles low but ones the rpms level out it goes away … read more Andrew
What can I do to my Toyota Sienna?
2000 Toyota Sienna: that will start fine..engage..high speed metallic My son has a 2000 Toyota Sienna that will start fine sometimes but others the starter seems to not engage the motor and spins with a high speed metallic whir. Some have said that it is too expensive t…
What does it mean when your engine idle is too low?
If your idle is too low, it could be the IAC not talking to the computer correctly. Disconnect the IAC connector for a couple seconds while your engine is idling. If your engine idle didn’t change, you can suspect it to be the IAC. If it is working properly, unplugging it would cause your idle to freak out.
What should I do if my idle goes up high?
About 90% of the time if you remove the throttle body and clean the carbon around the throttle plate and bore then remove the idle control motor from the bottom of the throttle body and clean this valve with a toothbrush and carburetor and choke cleaner then reinstall everything it should take care of your problem. This is the first place to start.
When do you Know Your Car is not accelerating?
The symptoms that your car is not accelerating the way it used to may occur to any vehicle. You may not notice the problem on regular days along the usual routes but they become clear when you decide to drive up a steep hill or accelerate to move into the fast lane.
What causes a rough idle or a ses?
A Rough Idle or a SES can sometimes be caused by a change in the throttle body position sensor calibration. To correct any accidental changes in throttle body calibration, use these procedures to recalibrate. Note: These procedures are a little tricky to do. You must get the timing just right Use a stop watch to help the precision of your timing.