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Home >> Kia >> 2000 >> Sephia Sedan L4-1.8L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Description of On-Board Diagnostics >> Fuel System Monitoring >> Monitoring Process
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Monitoring Process

The ECM monitors the averages of long term and short term fuel trim . If these fuel trim values reach and stay at their maximum limits (t25%) for a defined period of time, a diagnostic trouble code is set.
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