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Sonata Base
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Different variant/trim
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Section 48 (Engine Control System Diagnosis - 2.0L (3 Of 3) (Except HEV))
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DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1)
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Specification
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Signal Waveform & Data
Signal Waveform & Data
WARNING:
This page is about a different variant/trim than selected.
Fig 1: Scantool Display - Normal Waveform Of Front Heated Oxygen Sensor (S1) At Engine Idle
Courtesy of HYUNDAI MOTOR AMERICA
CH A1 (V_G), CH A2 (V_N), CH B1 (V_IP), CH B2 (V_RC)