Testing o2 sensors off car?
#1
Testing o2 sensors off car?
Im getting ready to finish my build up...again, and my o2 sensors are a bit old and have been sitting around for a bit. Im a cheap bastard though, and if I can keep them I would like to. I was just wondering if there is a way to test them off the car. Anyone done this before?
#5
cannot test them off the car....thats how they work. they sniff the atm inside the exhaust, then take a sample from the ambient air, the diff in oxygen creates a voltage wave form. so if you "test" them in the air....what do you think will happen?
#6
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iTrader: (5)
You can test them off the car. You'd need a torch and a multimeter. It's not a perfect test, but you could watch the voltage differential between the two signal wires to ensure they are switching/varying while under the flame. The heat will get them to full temp quickly, and the varying amount of fresh air to burnt propane will actually show a voltage differential close enough to the real thing that you'd get a good idea on their functionality.
You CAN test virtually any sensor off the car if you know what you're looking for from the output from the sensor.
You CAN test virtually any sensor off the car if you know what you're looking for from the output from the sensor.
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