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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0101: Mass Air Flow Sensor (MAFS) Range/Performance Problem >> Inspection Procedures >> 5. Check Air Cleaner

5. Check Air Cleaner

  1. Check air cleaner for dirt, blockage, or damage.

Is air cleaner good? 

Yes: Go to next step.

No: Clean or replace it.

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