Your ECU is not in Idle Mode. Idle Mode will be 15 Deg Ignition Timing, and the O2 Sensor voltage will not be jumping that fast.. The TPS voltage says it should be in Idle Mode.. However it is not.. Here is my 90NA idle test proofing the Cats are good.. https://www.youtube.com/watch?v=mT9S-feyrbg You can see the O2 sensor voltage is not as active as yours ( I showed left and right you only showed one ).. and my Ignition is showing 15 Deg Cj
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