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Bumper to Bumper Radio, the car guys on KTAR, 92.3 FM in Phoenix, AZ, broadcast every Saturday from 11:00 am to noon. On this show, Dave Riccio of Tri-City Transmission in Tempe, AZ and Matt Allen of Virginia Auto Service in Phoenix, AZ are joined by Dave Denmon of Dave’s Car Care to talk about the role that the catalytic converter plays in your car and what can cause one to fail. Also on this show:

  • When catalytic converters starting being used in vehicles.
  • What materials are commonly used in catalytic converters?
  • Why the cost of a catalytic converter is generally high.
  • Sensors that relate to your catalytic converter and why your check engine light may be on.
  • How long a catalytic converter should last.
  • Information about the Good Guys Car Show.
  • 2006 Chevrolet Cobalt: My car is intermittently shifting very hard while accelerating. What should I do next?
  • 2016 Toyota Corolla: I’d like to see a little more performance out of my car. What can I do that won’t void the warranty?
  • 2006 Mitsubishi Endeavor: Is it possible to have multiple catalytic converters?
  • 2009 Honda Pilot: What can you tell me about a “check emissions” light?
  • 1965 Ford Galaxy: Where can I find parts for my vehicle?
  • Chevrolet Cavalier: I’ve noticed a clunking sound from the rear passenger side of my car. I’ve already had the motor mounts replaced – what else could be causing this?
  • 2011 Ford F150: There is a knocking sound coming from my truck. How can I find the source?


Cars talked about on this show are the 2006 Chevrolet Cobalt, 2016 Toyota Corolla, 2006 Mitsubishi Endeavor, 2009 Honda Pilot, Chevrolet Cavalier, and the 2011 Ford F150.

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