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2007,chevy impala, 3.5 Liter, LT. Engine power reduced.

  

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replaced throttle body, had all computers reset. replaced pedal, replaced battery, replaced car terminal ends, check wires for breaks in engine bay, cant figure it out. 


1 Answer
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have you run a diagnostic scan?


yes


also had someone with a 13k plus dollar scan reset everything, lasted 30 minutes and engine reduced power came back on.


and ... what did the scan say?


i dont currently have my scanner, but p0128 and po127 i believe, low voltage and pps


low voltage ok .. try having your battery + alternator tested.
I don't know what pps means.


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