2000 Chevy Impala Can you please help

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JENAPHER420
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2000 Chevy Impala 6 cyl 160000 miles

I have a 2000 chevy impala and i have a ton of problems.My car drives great when its cold but when it warms up it drives terrible.When i get to 40 mph my car shakes until i get past 50 mph then its fine.Second when im going up hills my car jerks,i have to step on the gas to get more power so it doesnt hesitate.Third..After my car is warm,when i come to a stop sign and press the gas before it switches to second gear it jerks about 3-4 jerks really quick then its fine or when i turn in first gear it hesitates for 2 seconds then its fine and last my car seems like it gets hot.When idling it goes past the middle marker on temp gage about 2 notches then goes back down but when im driving it doesnt get hot..Any ideas? I just paid a mechanic to fix my gaskets in my motor because it use to leak water,they did a fuel pump, fuel filter, ignition switch, etc.
May 3, 2010 at 4:13 AM
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JACOBANDNICKOLAS
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Has the check engine light come on?
May 4, 2010 at 3:21 AM
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JENAPHER420
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it has come on before saying my egr valve was stuck open but it went off and hasent came on since
May 4, 2010 at 1:00 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
This could be many things. Without the check engine light, it becomes a guessing game. Was anything ever done to the EGR?
May 4, 2010 at 3:50 PM
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