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 important things to know and keep your eye out for while preparing your vehicle for emissions testing. Also on this show:

• Why your vehicle will not pass emissions if the check engine light is on.
• What disconnecting your battery does to your cars computer memory?
• Information on some of the “tests” your car will perform on itself while its computer is self-diagnosing.
• How to monitor the wait times in real time at emissions inspection locations.
• How can I find past emissions test results for a used vehicle?
• 2003 Chevrolet Silverado: Can I pass emissions with no dashboard instrumentation at all?
• 2003 Buick Sentry: What information can you give me about my car’s EGR valve?
• 2002 Ford Escape: Will malfunctions in my windshield cleaning unit affect my emissions test?
• 1994 Buick LeSabre: Can you give me any advice concerning fuel tank cleaners?
• 2007 Chrysler 300: I’ve noticed the smell of gasoline while filling my car. Is this just an issue with a gasket or valve?

Cars talked about on this show are the 2003 Chevrolet Silverado, 2003 Buick Sentry, 2002 Ford Escape, 1994 Buick LeSabre, and the 2007 Chrysler 300.