Beav is right, you need a Good multimeter to perform the test this way. Most multimeters can't sample fast enough to keep up with the O2.
But even a good meter won't detect a lazy sensor. This is where that graphing meter or digital storage oscilliscope comes in. Bet everyone has one of those in their tool box.
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ASE Master and L1 cert. Discounted Repairs
I feel a lot more like I do now then I did before.
92 SVX 5spd, (sold),92 SVX Teal, 67 Mustang 351C 5spd, 00 Galant.
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