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 talk about the spark plugs in your vehicle and when to replace them. Also on this show: 

• What symptoms your car may have that could relate to spark plug issues.
• The lifespan of your car’s spark plugs.
• How a spark plug operates. 
• Whether or not you should change your spark plugs yourself.
• How the way you drive can affect your spark plugs.
• Why it’s a good time to buy a new battery.
• The advantages of taking your car into a Bumper to Bumper Radio shop.
• 2004 Chevrolet Duramax: My dash light has been dimming while driving, and my trailer brakes are locking up. Are these two issues related?
• 2007 Hyundai Santa Fe: I’ve never changed the spark plugs after 200k miles. If I change them now is there something else I should do simultaneously.
• 2001 Hyundai Santa Fe: After having my transmission repaired, my car is still shutting down. What should I do?
• 2007 Saturn Vue: At 60k miles, what should I have looked at to avoid repairs in the near future?
• Ford Mustang GT: After purchasing this car with no service record, I’m not sure what to have looked at. Suggestions?

Cars talked about on this show are the 2004 Chevrolet Duramax, 2007 Hyundai Santa Fe, 2001 Hyundai Santa Fe, 2007 Saturn Vue, and the Ford Mustang GT.