- Disconnect the negative battery cable.
CAUTION:
The Oxygen Sensor (O2S) uses a permanently attached pigtail and connector. This pigtail should not be removed from the O2S. Damage or removal of the pigtail or the connector could affect proper operation of the O2S. Take care when handling the O2S. Do not drop or damage the O2S.
- Disconnect the oxygen sensor wiring harness connector.
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- Remove the canister solenoid valve. Refer to Evaporative Emission Canister Purge Solenoid Removal .
- Remove the EGR pipe. Refer to Intake EGR Pipe Removal .
- Using the O2S remover DW170-010, remove the upper O2S.
CAUTION:
The oxygen sensor may be difficult to remove when the engine temperature is below 48 °C (118 °F). Excessive force may damage the threads in the exhaust manifold.
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- Using the O2S remover DW170-010, remove the lower O2S.
CAUTION:
The oxygen sensor may be difficult to remove when the engine temperature is below 48 °C (118 °F). Excessive force may damage the threads in the exhaust manifold.
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