Ron starts this episode with an 02 GMC Sierra with dim brake lights : takes a call on an 18 Infinity 250 with an intermittent P0448 code : takes a call on a 14 Sliverado where the caller has placed an oil “catch can” near the air intake and wants Ron’s opinion, and also a 13 RAV  bit of dripping on the rear main seal : answers an email on an 06 HR that throws a P0420.

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