problem found...misfire on the #3 cly....bad plug or wire...most likely wire...have to c tomorrow cus I had to order it cus no where has them in stock.

this one is my g/f's she got it used with 18x about 8-9 months ago...and now like a week ago it started to studder every once and a while but only in 1st gear and I didnt know if it was a fuel filter or maybe a sensor and then the other thing in the way back of my mind was maybe a stuffed cat. but n...

I have an 01 focus and when I push the gas it studders and the emisions light came on earlyer 2day and I was wondering if anyone had an idea on whats wrong...it has a lil over 25xxx miles so I dont think it would be a cat or anything big so I was wondering if it could just be as simple as a loose se...