Mike's Workshop Manuals
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Hyundai
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2005
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Elantra GLS, 4D Hatchback, Standard
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Fuel System
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DTC Troubleshooting Procedures
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DTC P0037: Ho2S Heater Circuit Low (Bank 1 / Sensor 2)
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DTC Description
DTC Description
PCM sets DTC P0037 if the PCM detects that the rear HO2S heater control line is short to ground.