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Kiatech
Kiatech, Kia Master Technician
Category: Kia
Satisfied Customers: 210
Experience:  30+ years experience,ASE certified,KIA certified Master Technician,Ford factory trained
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Kia: My 2004 Kia Optima 4cyl ran rough "check engine light"

Customer Question

My 2004 Kia Optima 4cyl ran rough "check engine light" came on and tach went out
Submitted: 1 year ago.
Category: Kia
Customer: replied 1 year ago.
5 speed manual, engine temp- midway, oil-full. No overheating.
Expert:  mr. b. rector replied 1 year ago.
Hello, most likely the ignition failure sensor is the issue. The sensor is located on the drivers side of the engine , just below the valve cover. This sensor usually will be associated with a P0320 fault code stored in the engine controller module. Check the connection first at the sensor and make sure it is not being contaminated with oil from a valve cover leak. The sensor is not very expensive and can be obtained at just about in parts store, but as always I recommend original equipment. Thanks for letting me help, and I apologize for the delay, Mr. B

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