» » »

Ford Q&A

Ask Your Question

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

 

Question

acssniper2, 2.0L 4 Cylinder SOHC, Ames, IA, October 22, 2012, 20:58
 Rookie

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

2 Answers
Flag This
  • Answer #1

    your.mechanic October 22, 2012, 23:10
    Profile_thumbnail
     Master

    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.

    Flag This
  • Reply

    pushrod, October 23, 2012, 03:29
    Profile_thumbnail
     Master

    DON'T FORGET PLUG WIRES.
    DON'T FORGET PLUG WIRES.

    Reply
    Flag This
  • Answer #2

    Greg's Orange Auto (12997 Answers) , Orange, CA - (714) 361-9386
    globalhelper October 23, 2012, 06:17
     Master

    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

    Reply
    Flag This