The Car Dr is all calls this segment; Justin from PA is calling in about a P0420 cat efficiency code on his VW Jetta; Ron walks him through some diagnostic steps and helps break it down into simple terms. Jesse (from Chico California) is up next with questions about changing transmission fluid on his 2013 Ford F150. He has been told several different answers to the question and now turns to Ron for the definitive answer.

Ron Ananian, The Car Doctor - May 9, 2026 - Hour 2 - The Problems Your Car Isn’t Warning You About
34:31

Ron Ananian, The Car Doctor - May 9, 2026 - Hour 1 - Why Your Car Is Quietly Burning More Gas
35:00

Ron Ananian, The Car Doctor - Classic Car Doctor - September 19, 2015 - Hour 2
36:38