Maintenance
12
Mar
By Ishmael, IS Auto Repairs
Spark plugs and ignition coils: misfire basics
A misfire feels like a stumble, shake or loss of power.
Intervals
Iridium plugs: about 100,000 km. Copper plugs: 30,000 km.
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Coils
Coils fail with heat and age. One bad coil causes a misfire on one cylinder.
Don't ignore it
Unburnt fuel overheats and ruins the catalytic converter.
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