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Originally Posted by sbourg
Point is, how do you KNOW it's dirty? I've cleaned many throttle bodies in other brands where clogged idle bypass circuits and other complexities are easily affected. Your throttle body has none of that - just externally accessible wear/lube components. You can't see it without removing all the much more vulnerable hardware, so if the throttle body needs cleaning, you can be sure the airflow meter and is a mess. THAT you can see, inspect, perform some cleaning, and decide if you need to dig deeper just by removing the air cleaner housing.
Steve
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Well Steve, it's a little trick I do with my eyes. I just of point them
in the direction of what I want to see and the light rays reflecting off
the intended target get interpreted by the brain via the optic
nerve. Actually, I think it works that way for pretty much everybody.
But more specifically, I moved the butterfly valve down and managed
to shine a small light in on the throttle body. It had a significant amount of
dirt on it. To confirm, I swabed the Throttle Body with a q-tip.
That is how I know the throttle body is dirty.
I've had other vehicles where this has caused problems
(not discounting the items mentioned before). So I thought a cleaning
would be a good preventative measure along with the other items you mentioned.