my 2007 jeep compass has severe hesitation and jerks when i drive down the road on 2007 Jeep Compass

My jeep compass 2007 get jerky and pulses sometimes slight, but often very severe when I accelerate even slightly. if i let up and coast it stops. no one can find the reason it has had the catalytic converter replaced and it helped for a week or two than started again

by in Ocala, FL on March 21, 2011
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1 answer
ANSWER by , March 22, 2011
I suspect a misfire problem. Tune related components may need attention. Have a qualified tech check out and monitor O2 sensor operation/reaction times.