Problem Reports
Mazda 626
Report: Misfires Under Load
Mazda 626 Problem
16 Reports
Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Engines Affected: 2.0L 4 Cylinder, 2.2L 4 Cylinder Turbo, 2.5L V6
Verified
Misfires under load (acceleration) can be caused by leaky spark plug boots. When a spark plug boot leaks, it allows the spark to arc, or jump, to the cylinder head. If evidence of arcing can be seen on the inside of the spark plug boot, new spark plug wires will be needed.