what Could cause random misfires?

Asked by GuruRRRYW Feb 14, 2020 at 08:26 AM about the 2005 Kia Sedona LX

Question type: General

Cylinders 2, 4, and 6 are misfiring even after
full tune up , we replaced all spark plugs,
wires, and coil packs

1 Answer
103,435

KenF answered 4 years ago

Dirty or clogged fuel injectors, air leaks, fuel pressure loss (bad filter, pressure regulator, or fuel pump), cap & rotor... It would help if you knew if the misfire was caused by the air fuel mix leaning out or not.

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