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.
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Repairpal verified 2001 Kia Spectra problems
Make sure the transmission is filled with Kia-approved transmission fluid and at the correct level. Our technicians tell using incorrect transmission fluid or operating the transmission when it is low on fluid can result in internal transmission damage.