high rpm

Hello! I'm sorry if this is in the wrong place. I have a 2002 Trailblazer and I've recently started experiencing high revs, 3-4000rpm, intermittently. I was told it might be the tranny filter so I changed that along with all new gaskets and fluids. it now seems to be happening only at low speeds...

Hello! I'm sorry if this is in the wrong place. I have a 2002 Trailblazer and I've recently started experiencing high revs, 3-4000, intermittently. I was told it might be the tranny filter so I changed that along with all new gaskets and fluids. it now seems to be happening only at low speeds...

I bought this Sept 2017 with 134,000 miles on it. Body is in pristine condition and has all the service records from day one. Within the first 1,000 miles I was getting a MIL light and code P0128, so I switched out the thermostat. That seemed to solve that problem. This spring when the weather...

I have 04 Trailblazer EXT 4.2L VIN S 8TH DIGIT, that i did an engine swap after blowing the original. :sadcry: The engine was from an 03 but everything went fine and the truck drove fine for over 2 month (at least 400). i started having a problem with it not shifting gears without the engine RPM...