Focus Fanatics Forum banner

1 - 1 of 1 Posts

245 Posts
Discussion Starter #1

after JRSC and BBK install, my car put´s out a dtc troublecode. my SCT X2 said P0303 - Missfire Cyl. 3 .

i geht this troublecode only after start up the enginge in the morning.
i have changed my sparg plugs, but the trouble code is still there.

the troublecode doesn´t came when i am driving !!!

what could be the reason ???
1 - 1 of 1 Posts