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, Matt Allen of Virginia Auto Service in Phoenix talks about how long components of your car should last and what to know before replacing them. Also on this show:

• Should you always replace parts on your vehicle with original equipment (OE) parts?
• 1997 Jeep Cherokee: Why is my oil gauge jumping around intermittently?
• 1996 Ford F250: Why is my truck shifting so hard while accelerating?
• 1999 Buick Century: How can I solve an issue with my power windows?
• 2003 Toyota Rav4: Should I lower the PSI in my tires during the summer?
• 2004 Pontiac Grand Prix: Should I replace my shocks and struts together?
• 2000 Chevrolet Monte Carlo: Why is my car intermittently struggling to start?
• 2003 Cadillac Escalade: After replacing my throttle body, my vehicle is still showing a code. Is this an electronic issue?

Cars talked about on this show are the 1997 Jeep Cherokee, 1996 Ford F250, 1999 Buick Century, 2003 Toyota Rav4, 2004 Pontiac Grand Prix, 2000 Chevrolet Monte Carlo, and the 2003 Cadillac Escalade.