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Cadillac slims down full-size model with XTS

It's a tightrope walker, meant to retain Cadillac's older clientele who might have bought a DTS, while hoping to attract those buyers who want something larger than the CTS.

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Paul
Brand

Cleaning additive can't restore a failed catalytic converter

Q My '03 Mazda MPV with 125,000 miles has the Check Engine light going on and off the past few weeks. The parts store's scan tool found a code for catalytic converter issues. The manager suggested I try a couple cans of Sea Foam or a product called Cataclean, which I've never heard of. It's about $25 for a 16-ounce can. Do either of those products do anything to revive a tired catalytic converter? Hate to spend foolish money on a long shot. The vehicle runs perfectly and has no unusual sounds or smells.

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Ford C-Max hybrid excels in affordability, fuel economy

If you drive like a regular person and not an auto critic, you'll get great mileage.

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