2003 Chevy Monte Carlo 6 cyl Two Wheel Drive Automatic 87,000 miles
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Just the other day I started having problems with my Monte Carlo SS. I was passing someone, so i was accelerating pretty hard. At first it was fine, then it pretty much stopped accelerating all together and i was just reving the engine. Now when I try to accelerate, my car won't switch gears until i let off of the accelerator. I'm also getting a little shake in the front end now around 60 MPH that i didn't have before. Please Help!!!

i would start by replacing or checking fuel filter for blockage. low fuel volume will cause high revving without shifting. also if the check engine light is on get the computer scanned for trouble codes and get back to us. auto zone does it for free

I have replaced the fuel filter, and i've had the codes checked. They said something about fuel pressure and vacuum leaks. does that make sense?

i would have the fuel pressure checked. low fuel pressure will give false codes like map sensor high vacuum problem and also it will give lean codes. most likely its the pump but if you have the fuel pressure checked you will know for sure

so it wouldn't be a transmission problem?

i doubt transmission trouble. check fuel pressure