The Check Engine Light may erroneously illuminate, signifying a fault with the front oxygen sensor when no fault exists. Replacing the electrical connections at the oxygen sensor with a repair kit available from Kia will commonly fix this problem.
Car problem reports
Problem with your car? See what our experts say or submit your own.
Repairpal verified 2004 Kia Spectra problems
The original alternator was incapable of supplying sufficient power to the battery when the engine was idling with electrical loads (lights, air conditioning). A new, more powerful alternator and reprogramming of the powertrain computer will commonly correct this problem.