somtimes car sputter and backfires: u can give it gas and it wont rev up on 2004 Jeep Grand Cherokee

we had it looked at on thursday they changed fuel filter and gas treatment said it was water in gas. ran good till today when it did it again

by in Salyersville, KY on February 02, 2013
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1 answer 3 comments
ANSWER by , February 02, 2013
have it scan tested for codes it might be a plugged converter
COMMENT by , February 04, 2013
no codes come up
COMMENT by , February 04, 2013
check to see if your converter is plugged
COMMENT by , February 04, 2013
what is best way to check