my car lost the speed,when i trying to aceleratin the car stay in same speed. on 2007 Jeep Patriot

I ready changed the ,fuel filter,oil,air filter but still the problem.what I have to do ?

by in Tacoma, WA on March 25, 2013
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1 answer
ANSWER by , March 25, 2013
review when last tuned and have a diagnostic run to see if any issues with air intake, fuel delivery, or exhaust. possible fuel system needs a clean. use ethanol treatment with 1 tank premium fuel.