Won't pick up Speed on 1990 Isuzu Trooper

It's actually an 89'. When I get close to 25 rpm my car starts jerking, and then I switch gears, and push the gas pedal down to the floor and it feels like I'm riding the break! it won't go faster. What's the problem? what do I need fixed?

by in Layton, UT on February 26, 2010
4 answers
ANSWER by on February 26, 2010
I would check for a restriction in your exhaust system, like a plugged Catalytic Converter.
ANSWER by on February 27, 2010
Try a seafoam treatment, it really does wonders, But it could be your torque converter in your transmission, or failure to get enough fuel to the engine.
ANSWER by on January 20, 2011
it is the cataylic conveter stoped up im having the same problems with my 1995 ford escort 99.9% sure
ANSWER by on February 14, 2011
Fuel filter if you are lucky or fuel sock in the tank if you are not