Misfire cylinders
01-09-2015, 12:49 AM
#1
Bryan
Thread Starter
Misfire cylinders
Default Shew
Have a 97 f150 4.6 v8 done everything under the moon to it I have two misfired cylinders #3 the trucks shacking and stuff bad going down the road just like a dead miss and takes a lot of throttle to get up hills and to at least get up to speed changed everything plugs,wires checked injectors all good put two new coil packs and still missing in two cylinders I was thinking maybe a burnt valve but I wouldn't think two of them just went out all of a sudden any suggestions at all would be thankful that's!
Have a 97 f150 4.6 v8 done everything under the moon to it I have two misfired cylinders #3 the trucks shacking and stuff bad going down the road just like a dead miss and takes a lot of throttle to get up hills and to at least get up to speed changed everything plugs,wires checked injectors all good put two new coil packs and still missing in two cylinders I was thinking maybe a burnt valve but I wouldn't think two of them just went out all of a sudden any suggestions at all would be thankful that's!
