P0420 Code on Buick Encore or Chevy Trax? Don't Replaced the Cat Yet- Try This First!
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YouTubeKOEO
P0420 Code on Buick Encore or Chevy Trax? Don't Replaced the Cat Yet- Try This First!
If you're getting a P0420 fault code ( Catalyst Efficiency Below Threshold) on your 2013-2015 Buick Encore or Cheverolet Trax with the 1.4l LUV engine, don't rush to replace your catalytic converter just yet. In this video, we show you how a simple software update per GM Technical Service Bulletin 18-NA-331 may fix the issue without expensive ...
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