Q. I have a 2009 Chevy Cobalt. The car was running but had some fault codes, one being a faulty ignition switch. I replaced the switch and did a key relearn, and now the car will not crank or start. Do you have any suggestions?

A. I would start by following a wiring diagram and checking fuses and the starter relay. Since it started with the old switch, I might even try putting that switch back in just to see what happens. I have seen many new parts that are faulty right out of the box.

Q. My 2014 Subaru Forester has a rusted lower radiator support bracket. The dealer suggested it needed repair. I was wondering if an experienced welder that works on car frames regularly could take out the bracket and weld in a new one, or if I need to go to an auto body shop.

A. Certainly, a good fab

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