I have a 2000 chevy monte carlo ss and around 60-65 mph when i accelerate the rpm jumps up and down. i replace the fuel fliter, air filter, fuel pump, pressure regulator and i am stumped
Check the catalytic converter ( your exhaust ) , it may be clogged. This happened to my 2001 monte SS. After the fuel pump was giving me issues.. After I changed the fuel pump, the car would not want to rev and I found out the cat was clogged
I was thinking that. It hasn't been checked in probably 10 years I'll try that!
air in air out..is a good thing.. but also upgrade with a Monte Carlo ECU hp chip. ours was laying down around that speed..
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