Why does my 2008 chevy impala hunch while driving? on 2008 Chevrolet Impala

Chevy says not ready or tune up. It has 79000 miles on it.

by in Frankfort, KY on June 20, 2011
1 answer 3 comments
ANSWER by on June 20, 2011
Hunch???? explain please Roy
COMMENT by on June 20, 2011
the car jerks I thought maybe bad gas or plugs. it smooths out when I apply the gas pedal.
COMMENT by on June 20, 2011
plugs are a good start but wires are also a possibility. if you are going to do the plugs, take the extra time and replace the wires also. Roy
COMMENT by on June 20, 2011
Thank you for your time.