Quote:
Originally Posted by mecampo
do you have instructions on how to clean the throttle body throat?
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To clean the throttle body throat, disconnect the battery negative terminal. (remember to write down your radio station settings first).
1. Pull the intake air 'tunnel' (for lack of a better word) away so you can actually look into the throttle body with a flashlight.
2. Spray some Deep Creep (or just throttle body cleaner if you can't find it) into the throat and let it soak a minute.
3. Have a helper floor the throttle so the butterfly opens all the way.
4. Using an old toothbrush or rag soaked with throttle body cleaner and being VERY careful not to damage the butterfly scrub the area where the butterfly contacts the throat. You'll be able to see a thin carbon ring.
When the carbon is gone close the throttle, button things up. If the above has taken you less than 15 minutes (which is likely) leave the battery disconnected awhile longer. After 15 minutes or so you can re-connect the battery. That allows the ECU to forget all its previous habits which would have included adjusting for air blocked by the carbon (mostly at idle).
When you restart the car don't be too surprised if there's a large cloud of smoke from the exhaust. That'll be the Deep Creep or throttle body cleaner and any carbon it's managed to knock loose inside the combustion chamber.
Now drive the way you normally drive, the car's computer will be re-learning your habits and how to find the proper idle speed for the first few miles.
BTW those with Gen II Solara's have to hold the butterfly open manually inside the throttle body throat. Since there's no more throttle cable a helper can sit in the car all day with the pedal floored and nothing will happen under the hood.
Cheers
2002 solara to do list
Linear Mode
