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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Make sure you don't touch the oxygen sensor when the car is hot—the oxygen sensor is attached to the exhaust pipe. I also recommend disconnecting the battery of the vehicle before removing any sort of electrical sensor. Also, use WD40 or some sort of lubricant to help, because the expansion and contraction of the metal can cause the threading of the sensor to seize, which makes it very difficult to remove.
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