failedemission

  1. H

    2013 Yukon Denali Hybrid AFM Delete won't pass emissions

    Hi, I had a lifter collapse on my 2013 Yukon Hybrid and we did a AFM Delete on the motor. It is now due for emissions and it keeps coming as "not ready" for the test. Report is showing catalyst convertor, evap, oxygen sensor & oxygen sensor heater are not ready for testing. I got a splitter for...

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