2006 kia sorento misfires when trying to pass someone.
time for a tune-up biggest reason is the throttle plates gummed ,and spark jumping from wires to engine, under load the spark has a hard time making the trip, for whatever reason I would like to know that so it finds an easer path of less resistance and jumps from a weak insulation spot,
Are you sure what you think is misfires is actually detonation? Pinging from heat and lower octane fuel?
Thank you both for answers. The car shop hook it up to their machine and it said misfiring, that us it.
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