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 talk about what factors and components could be responsible for your check engine light coming on. Also on this show:

• Why it is common for multiple warning lights to appear in unison with your check engine light.
• How certain systems in your vehicle rely on and communicate with each other.
• Circumstances when it may be okay to ignore your check engine light for some time.
• Diagnostic code FAQ and how to best diagnose an internal problem in your car.
• Gift ideas for the mechanic in your life.
• 2003 Dodge Ram 1500: At 140k miles, my trucks transmission temperature light has started blinking while starting. What advice can you give me?
• 2012 Audi A5: Would you recommend I have the dealership replace to turbo in my vehicle or is this something I could manage on my own?
• 2003 Cadillac Seville: Is there a shop in my area that you could recommend to me?
• 2004 Isuzu Ascender: The engine in my vehicle recently began cutting out at red lights. What codes should I be looking for that might relate to this issue?
• 2006 GMC 2500: The check engine light in my truck comes on while towing my trailer. Have you seen this happen before?
• 2009 Infinity G37: What advice can you give me before changing my transmission fluid? Is there a certain type you would recommend for my vehicle?

Cars talked about on this show are the 2003 Dodge Ram 1500, 2012 Audi A5, 2003 Cadillac Seville, 2004 Isuzu Ascender, 2006 GMC 2500, and the 2009 Infinity G37.