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Discussion Starter #1
if i take the air box off and put a brick on the gas pedal and look inside my throttle body and see a bunch of carbon gunked up in there, is it ok to spray a bunch of carb cleaner in there and clean it out and scrape it with a flat head, or is there a better way to clean out the carbon and stuff?
 

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Forget the brick. Open the throttle plate by hand and use the screw driver to wedge the linkage open somehow. DO NOT scrape the TB bore with anything. Spray it down with Gumout or such. Scrub it with a tooth brush and wipe it with a rag. Continue til clean. Also do the throttle plate, particularly around the perimiter where it meets the TB bore.
 

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Discussion Starter #4
Ranger said:
Forget the brick. Open the throttle plate by hand and use the screw driver to wedge the linkage open somehow. DO NOT scrape the TB bore with anything. Spray it down with Gumout or such. Scrub it with a tooth brush and wipe it with a rag. Continue til clean. Also do the throttle plate, particularly around the perimiter where it meets the TB bore.
i did that and now it seems to be running and idling kinda of rough, did i do something wrong? or do i need to clean it better?
 

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If you used alot of cleaner, it will take a little bit of running to clear it out. Bring the rpms up and it should clear up in a little. The north* throttle body usually doesn't take too much to clean.

I cleaned the throttle body on the Expedition my wife drives. That thing is big. There is no way of getting anything back into the throttle body bore before it goes down and enters the intake. So it took a little more spray. Did this cleaning with the engine off. So eventually it started to pool up in the intake. When I started the vehicle after cleaning, I had to lay on the accelerator for a while until it cleared out.

Not much you can do wrong unless you drop something in the intake or scrape it up with a screwdriver.
 
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