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2001 chevy blazer 4.3l. Rmps jumpy around 45 mph.

   
Old Sep 19, 2024 | 12:29 PM
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Default 2001 chevy blazer 4.3l. Rmps jumpy around 45 mph.
I have a 2001 chevy blazer 4.3l, noticed when I get around 45mph my rpms get jumpy, any ideas? Vehicle shifts fine.
 
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Old Sep 20, 2024 | 12:22 AM
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Key on, engine off, watch the TPS in live data while slowly sweeping back and forth and see if there are any glitches.

George
 
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