99 kia sophia running rough

Old 07-22-08, 02:50 PM
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99 kia sophia running rough

Hey all I need a little help. the car is sputtering when coming off idle it seem to run better at higher rpm's but lacks power I have replaced the spark plugs and the coils. could this be an o2 sensor?
Old 07-22-08, 06:35 PM
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You replaced the coils and the spark plugs. There are 2 coils and 2 wires I believe, Did you replace these wires? Look at the wires and see if there are "lightning bolts" on them. Also is your check engine light on? If so, get the codes pulled and post the results.
Hope this helps ya,

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