91' Honda Civic..Eng. bogs down when gas pedal push to the floor

is there a rattle under the car like the cat converter is bad when was the fuel filter last replaced

this car is fitted with a computer controlled engine/gearbox it will try to make you drive as economically as poss, if you let it,Try this,without using the gas padal let the car accelerate all the way to top gear on its own then from stop use 1/3rd of gas pedal upto top gear, try not to assist acceleration let it do its own thing.if you can drive like this all the time gas mileage will be considerably higher.it is made this way because makers have been told to reduce power/gas consumption in all cars....of course you can use kickdown but watch your fuel guage....

check your idle air control valve

Check the pedal assembly (use a flashlight and look under the steering column) to see if the clutch mount has broken. Common for that model - the plate flexes rather than activating the clutch. If so - the assembly will need to be replaced.

possible fuel pressure fault replace fuel filter

Check for a restricted exhaust system.Possibly catalytic converter.

Its the electrical part of the ignition switch.. thats pretty common for a 91 Honda

Try pounding on the gas tank with a rubber mallet or similar tool. (careful not to dent the tank) Try starting it. If it runs, replace the fuel pump (it's nfg). I've diagnosed numerous fuel pumps this way. Remember the pump needs to be replaced, if you drive it, you don't know when it'll fail for good. Hope this helps. Please post the results.

sounds like a dirty fuel system or carb

try checking the main relay



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