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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 P2270 & P2271: O2 Sensor Signal Stuck (Bank 1, Sensor 2) >> Inspection Procedures >> 2. Check Air Leakage

2. Check Air Leakage

  1. Check the exhaust system for leaks.

Are any leaks found? 

No: Go to next step.

Yes: Repair or replace it.

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