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 talks about the different issues you may be experiencing with your vehicle if the check engine light is on. Also on this show:

• Reasons you should always use a quality gas cap.
• How the check engine light differs between different manufacturers.
• How your auto repair shop can pinpoint the source of a small evap leak.
• What are the most common codes relating to a check engine light?
• 2011 Toyota Sienna: We’ve replaced the battery in our van every two years. Is this typical for a vehicle like mine in Arizona?
• 1999 GMC Pickup: Have you ever seen a clutch fan intermittently fail?
• 1999 Nissan Pathfinder: At 300k miles, would you recommend I service my transmission or leave it alone?
• 2005 Acura TL: What information can you give me about a battery that fails overnight?
• 2010 Chevrolet Impala: There is a hesitation and a jerk while accelerating in my vehicle. What could be the problem here?
• 2009 Subaru Tribeca: I’ve noticed a front end vibration around 25 mph. Is this a problem with my tires?

Cars talked about on this show are the 2011 Toyota Sienna, 1999 GMC Pickup, 1999 Nissan Pathfinder, 2005 Acura TL, 2010 Chevrolet Impala, and the 2009 Subaru Tribeca.