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Old 11-17-2020, 06:08 PM   #16
staircasesurfer
Alex
 
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Join Date: Jun 2017
Location: Ventura, CA
Posts: 9
Quote:
Originally Posted by blue62 View Post
Yes that does look like a bad "Cat" waveform.
The green trace shows no bias to the rich or lean side.
The post O2 sensor is moving over the normal range so the sensor is good.
It does not bias to the lean side so no exhaust leak.

Damn, I was hoping this was not the case with OEM converters being $$$, CA is kind of a PITA with non-OEM "modifications" to smog equipment. I am not sure if I can get a set legally from a junkyard/dismantler around here with all of our regulations. Probably will need to buy off Ebay or get lucky and find one from a forum user. My understanding is that S 3.2L and non-S 2.7L have different sizes.
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