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Old 02-13-2011, 05:07 PM
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Join Date: Nov 2009
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Quote:
Originally Posted by scooper77515 View Post
My question is...Did the engine slowly recalibrate over time to function with the gummed up parts, and get confused when it started up all clean and new-like? Or did I maybe get some carb cleaner on the mass-airflow sensor or maybe in the throttle-body controller, and it just needed to burn it off?

Kinda worried me for a second, but runs GREAT now!
I would say from experience that it's from the PCM relearning where the throttle blade needs to be for correct idle speed. Carb or TB cleaner can cause problems if it gets into the electronics of the ETC system but from the way you describe cleaning the TB, you should be ok. As for a mass airflow sensor, your truck doesn't have one.
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