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 fuel injection cleaning and how to prevent carbon buildup. Do you you it? Also on this show:

• 2005 Chevy Malibu: Should I change my spark plugs at 50,000 miles?
• 2004 Ford F350: Stumbles and coughs going down the freeway.
• 2004 Toyota Camry with 130,000 miles: Puff of smoke comes from the muffler when starting.
• 2002 Dodge Dakota: Air conditioning blower doesn't come on when turning on car.
• Can large key chains can hurt your ignition switch?
• 2002 PT Cruiser: P1684 Code. Makes a clicking sound when starting.
• Will running top octane fuel help keep my fuel system clean?
• 1985 Lincoln with 97,000 miles: Car bounces.
• 2009 Chevrolet Impala: Air conditioning clicking noise and when you turn it off.
• 1996 Toyota Camry: Air conditioning initially blows cold and then stops.
• 1998 Chevy Astro: Heavy vibration going on freeway. Has an 1870 code.

Cars talked about on this show are the 2005 Chevy Malibu, 2004 Ford F350, 2004 Toyota Camry, 2002 Dodge Dakota, 2002 PT Cruiser, 1985 Lincoln, 2009 Chevrolet Impala, 1996 Toyota Camry, and the 1998 Chevy Astro.