One of two possibilities: a faulty O2 sensor (mixture too rich) in which case the check engine light will come on, leaving a code. The other possibility is you might have a dirty injector and you should try and clean out the injectors by adding fuel injector cleaner when you gas up.
If you have a Civic with the ECO switch turn it off before passing. If not, take it to the dealership you have a problem.
More info. At what speed and what's the rev's?
Its broke - get a new car
o2 sensor maybe
It was the PCV vaule
Of course blanket -,-
Bogs accumulates acidic peat...=)
some people just fell in the bogs ,others were sacrificed and left in the bogs.
Could be many things but a plugged up fuel filter is where I would start.
Bogs Adornado was born in 1951.
If there were no bogs flooding would be increased
Steffen Bogs was born in 1965.