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6G Celicas Forums > 6th Generation Celica > Engine/Transmission/Maintenance
GilVilla

Does someone know how to check or test the oxygen sensor? the car has 2 oxygens sensor one on the top of the header with one 1 harness wire (white) and the other one like 8 inches below with 2 harness wires (blue and white). I have a Celica 95 GT std.

Thanks for your help
DanGrey
QUOTE (GilVilla @ Mar 19, 2010 - 1:44 PM) *
Does someone know how to check or test the oxygen sensor? the car has 2 oxygens sensor one on the top of the header with one 1 harness wire (white) and the other one like 8 inches below with 2 harness wires (blue and white). I have a Celica 95 GT std.

Thanks for your help


Hey buddy! I know its too late but better yet give everybody else an idea about this.. Well the magic of search ang google-ing is the key.. LOL.. Anyway, to test the oxygen sensor you should know that O2 probes generate a voltage between OV and 1V.. well it depends on the oxygen sensor.. It says here in the manual that you can use the voltmeter to measure though it needs a lot of effort.. for more details visit this link.. www.ibmwr.org/ktech/O2-sensor-testing.shtml
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