View Full Version : Help!! Misfire cylndr 7 code p0307

02-20-2009, 12:29 AM
HEY guys Ive got a check engine light blinking""
I got new spark plugs..put fuel injector cleaner..the wires look good..i put a new coil on cylinder 7...and the code still is popping on...everynow and then it'll say random misfire instead of the cylinder 7...:confused:

02-20-2009, 01:32 AM
replace the coli pack

02-20-2009, 01:34 AM
coil pack sorry or take the injector clip pull it out and reconnect it

02-20-2009, 11:42 AM
Switch coils around and see if the misfire follows the coil pack. Switch that wire also and see if it follows that wire.

Was it misfiring before plugs went in?