Q: O2 sensor

The automatic dimming side view mirrors are a great safety feature. If your vehicle is equipped with them, then they dim your mirrors at night to keep headlight glare from getting in your eyes. To turn on the automatic dimming...

Hi there. This vehicle not starting is an indication that the fuel filter and fuel pump are going bad. Over time, the fuel pump will fail and not put out enough fuel pressure to start the car. I would have...

Hello. It is possible that the problems that you have been experiencing with the bad alternators (https://www.yourmechanic.com/services/alternator-replacement) have damaged the battery (https://www.yourmechanic.com/services/battery-replacement) causing it to be weak. This would make the Battery Light (https://www.yourmechanic.com/services/battery-light-is-on-inspection) come on. It is also possible...

Hi there. This sounds like a case of a failed alternator & battery duet. Many times these can fail within close time frames of each other and are usually recommended to be replaced together so that it has a new...

The transmission control module (TCM) helps regulate fuel efficiency and power while storing information about the transmission system in its memory. A faulty transmission control module may cause a delay in acceleration or erratic shifting of gears. The transmission control...

As a general rule, car engines do not like cold weather and do not do operate as well in cold weather. When you start your car in the morning and turn the key to on, the coolant temperature sensor immediately...

Billing question sent to CS for the cost to replace all the components in the cooling system in a 2004 Volkswagen Passat with a L4-1.8L Turbo engine.

The Car-Part.com (http://car-part.com) database uses interchange data to display parts matches for individual makes, models and years. As you know, there is a proliferation of part variations that can often make it maddening to obtain exact and appropriate replacement parts....