Mechanics

MISFIRE CYLINDER#5

1997 Ford F-150 • 135,000 miles

Has misfire cylinder#5 I have changed sparkplugs and and wires and coil pack and still getting #5 misfire when checking compression it only has 30ibs of compression put oil in cylinder and has the same 30ibs but it does not leak out dont know whats wrong with it
Avatar
Mudd47
April 11, 2013.



You have a burnt valve

the head will have to come off and inspected

Roy

ASEMaster6371
Apr 11, 2013.