has o2 been replaced? i've replaced 1 wire with 3 wire o2s. 3 wire is heated and will get onto closed loop sooner. i also only use ac delco here. i assume you have a cat for emission purposes.
has o2 been replaced? i've replaced 1 wire with 3 wire o2s. 3 wire is heated and will get onto closed loop sooner. i also only use ac delco here. i assume you have a cat for emission purposes.
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