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Thread: Weird AFR Variance test in 0411 PCM 12212156 OS Datalog.

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  1. 09-05-2015 #3
    Fast355
    Fast355 is offline
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    Quote Originally Posted by mecanicman View Post
    Rear 02s missing? Looks like the cat test.
    Nope they are in place, hooked up and turned on although the Catalyst Efficiency codes are set to No Error Reported. I have thunderbolt metallic core cats and the 02s are in spacers with a tiny hole drilled into the exhaust pipe. Never saw a code for a cat but I deleted the codes anyway.
    Last edited by Fast355; 09-05-2015 at 06:19 AM.
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