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Home › Hyundai › 2005 › Elantra GT, 4D Hatchback, Standard › Repair and Diagnosis › Engine Performance › Engine Control Systems › Fuel System › DTC Troubleshooting Procedures › DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance › Component Inspection

Component Inspection

  1. Engine "ON".
  2. Install Scantool and monitor the "MASS AIR FLOW" parameter on the Scantool data list.

    Specification : Approx. 10 ~ 20kg/h at idle & No load

  3. Is MAF sensor voltage near the specified value?

    YES 

    • Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR  procedure.

    NO 

    • Check MAF for contamination, deterioration, or damage. Substitute with a known-good MAF and check for proper operation. If the problem is corrected, replace MAF and then go to VERIFICATION OF VEHICLE REPAIR  procedure.
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