O2 Sensor Checkup Tutorial:
- Turn off your engine
- Locate your diagnostic connector, and look for terminal “OX1″ and “E1″
- Get an analog multi meter (any brand can do)
- Select the 2.5V DC range.
- Insert the red color probe to “OX1″, and black colour probe to “E1″
- Place the multi-meter on the windscreen, as near to the driver side as possible
- Start your engine.
- Wait till the engine reaches working temperature.
- Keep your RPM stable at 2500 RPM.
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10) Observe you multi meter’s needle. It should be moving up and down, from 0 to 2/5 of full scale.
- Time your watch, a good O2 sensor will move the needle up and down for at least 8 times every 10 seconds.
If your needle move less than 8 times per 10 sec, or idle at any scale, your O2 sensor is dead. Change it asap..
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