Quote:
Originally Posted by redneck
As far as removing carbon, you can use a plastic water misting bottle. Bring engine up to full operating temp. Remove intake piping from intake manifold. Set to high idle and squirt (mist) water into engine intake opening. A pint or so should do the trick.
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I tried this last weekend with my F-150, with poor results. If I removed the pipe from the throttle body, the engine died, presumably because the intake air sensor was no longer seeing the airflow. (?) If I disconnected the intake from the filter box, the engine died when I sprayed the water in, presumably because it was getting on the airflow sensor.