Is it time to coppers O2 sensors?

I have a 2000 silverado 4.8l v8 275,000 and i be wondering what is wrong with my truck. It bogs down on hold off. It take a long time to build up speed. Brand new spark plugs strange catalyc converters new fuel pump and filter. Any philosophy?

Brake flimsy and freestyle desk light are...



Answers:    take it to a reputable shop atleast for diagnosis... It is not worth the money to hold on to throwing parts at it hoping it will run better. I would suspect maybe your injectors call for to be cleaned, but could be a number of things..

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