Q: Thank you for using our problem (Ford Taurus 2002 which doesn’t start at times) in your column (Motoring, June 20). However, maybe I should explain the problem a little further. The car does turn ...

Question: I have a 2005 Chevrolet Colorado with the I-5 engine. It's a great truck with 146,000 miles. Should I replace the timing chain/water pump to avoid a catastrophic failure? I'm concerned that ...

That’s not a huge mileage for an engine like this, and I wouldn’t expect to see timing chain stretch over that distance. However, it begs the question of how the vehicle has been serviced. Timing ...