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
Q&A
Ask Your Question1999 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
2 Answers
Flag This
-
Answer #1
your.mechanic October 22, 2012, 23:10
Masteryou 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 ThisLike0 -
Reply
pushrod, October 23, 2012, 03:29ReplyMasterDON'T FORGET PLUG WIRES.
DON'T FORGET PLUG WIRES.Flag This -
Answer #2
globalhelper October 23, 2012, 06:17ReplyMasteryou 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
Flag ThisLike0
Answer Ranks
This week's top 10
| 1 globalhelper | 6 csubak30 |
| 2 pushrod | 7 FREDDY BLUE |
| 3 ziptie12 | 8 gearhead89 |
| 4 ChevyASE | 9 ebans777 |
| 5 wenyan | 10 tdtoolbox |