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Condition:
NewNew
Lambda Sensor. With its NTK oxygen sensors launched in the 1980s, NGK was among the pioneers in this field. In addition, a variety of sensor types have been developed catering to specific applications.
The item Sensor 1 the upstream O2 oxygen Lambda sensor was well packaged and arrived within the time expected. Now fitted, working, and most suitable for my 2001 Astra G MK4.
This sensor is one of the culprits for the engine management warning light staying on.
It is helpful to have the engine hot (but switched off) before removal. I purchased an inexpensive removal tool from ebay (that I used that doesn't snag the connection lead) with my 3/8 socket extensions and bar. Tool as listed on ebay.
as: Modern 22mm 3/8"drive Lambda Oxygen Sensor Removal Socket Tool Hole Window Wire
Note: A tool to fit 1/2" drive is also available. After hand tightening on the new sensor, take care not to over-tighten using the socket & bar.