1999 Ford Escort Q&A

1999 Ford Escort Question: the car was jerking bad started to drive it home stopped jerking and code po 303

i was drive to work today and stopped at the gas station and started the car and it was jerking bad so i called into work and pulled over and called the auto part store and they told me to take it to get fix asap cause check engine light was blinking so i was driving home and it stopped jerking so took it to the auto part store and they hooked it up to there computer and it showed a code po 303 #3 misfire what could cause it to start misfiring and then stop -
Answer 1
you have a misfire on cylinder 3 of a 4 cylinder vehicle...i would do a compression check first to rule out engine mechanical problems...then change spark plugs while at it....if that does not fix it...check your fuel injector. -
Comment 1
DON'T FORGET PLUG WIRES. DON'T FORGET PLUG WIRES. -
Answer 2
you may have a failed spark plug in #3 cyl or ign to it.try a new set of plugs 1st if that doesn't help you may need a diag -