Tim's noticed that he has to run his windshield wipers at a faster rate when in motion than he does when waiting at a light, and wants to know why. Tom and Ray say his question can be solved with calculus. Are they qualified to perform these advanced mathematical calculations? Find out here.
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The oil light came on in Scott's 1985 Mercury Grand Marquis, but when he checked the levels himself, they appeared to be fine. Find out which indicator Scott should believe, and why Tom and Ray say he should pony up the extra cash to get the sensor fixed, right here.
Donna's Toyota Sienna has been diagnosed with a $4800 repair. How can this be necessary at such low miles and given that Donna drives "like an old lady?" Tom and Ray think the estimate sounds high. Find out what Donna should do, right here.
Entirely random acts of the universe or something more? Car Talk talks to coincidence researcher Suzanne Clores who may be the only person in the history of our lousy show to describe accidentally tuning into Car Talk as "fortuitous". Read it all right here.
It's a growing dilemma--conventional cars are getting so good it's hard to make the more expensive hybrid pencil out.