No power!!!!

my jeep has no power when i come to a stop i have to floor it to even move i usally have to gear it down to 2nd to even move help me plez

ecu kick or hit under pasenger dash behind fuses by the under hanging light mine was a bad ecu everybody said it was te fuel pump or the spark plugs but it got gas but it wasn't accepting it because of the ecu around 200-500 $ to replace guaranteed to work those cars have bad electrical problems had to replase wire harness and amplafier/radio because water was getting through the floor boards and damaged amplafier so watch out for that too! good luck!

my jeep has no power when i come to a stop i have to floor it to even move i usally have to gear it down to 2nd to even move help me plez
Year? Engine? A more detailed description would help also.