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, Matt Allen of Virginia Auto Service in Phoenix talks about tire pressure, check engine lights, and other common symptoms your vehicle may experience during the Fall season in Arizona. Also on this show:

• Important information to know if you're unsure of your car's emissions ratings.
• What is operating temperature and how long should it take your vehicle to reach it?
• How have thermostats evolved with modern vehicles?
• When is it ideal to have a radiator flush?
• Great information about your vehicle's cooling system.
• 1991 Cadillac: My car continually stalls in the colder temperatures. Now my check engine light is on as well, but no shop has been able to diagnose this problem. Where should I go from here?
• Toyota Camry: I recently had my water pump, timing belt and brakes replaced. Since then, my car has been using up radiator fluid. What could be the cause of this?
• 2006 Mercedes: Both FAB keys for my vehicle were unfortunately ruined. Is there anywhere besides the dealership where I could find replacements?
• 1986 Chevrolet Silverado: My truck is having a problem overheating even after replacing the water pump and radiator. Where else should I be looking for the cause of this?
• 1980 AMC Eagle: How much would it cost to rebuild the transmission in this vehicle?
• 2007 Honda Civic: My car is making a loud clicking sound when I use max AC. Is this a relay issue?

Cars talked about on this show are the 1991 Cadillac, Toyota Camry, 2006 Mercedes, 1986 Chevrolet Silverado, 1980 AMC Eagle, and the 2007 Honda Civic.