Viewer-submitted questions for The Car Doctor: Q: Our 2011 Volvo XC70 has been showing the check engine light on and off for months. I took it to a local shop, and they changed the spark plugs.
I have a 2017 Honda CR-V. Whenever I return from a long road trip (1-3 hours) and my air conditioner has been running, I hear a prolonged whistling sound (for 1-2 minutes) after I turn off the ...