2001 Honda CRV Throttle Body?

2001 Honda check engine light and scanner reads bad TPS, i replaced it still does the same car shifts 1st gear at 4000rpm. Fuel system cleaner took away the problem for a month but came back. So throttle body and sensors keep getting dirty. What is making it dirty?

Are you using non ethanol fuel? Fuel that contain ethanol can make a car run bad.

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