Q: Want to know where OnStar module is on cadillac XT5 2017

If you were getting O2 sensor codes, and you are losing power, then you may need to check to see if the fuel pressure is low or the fuel filter is getting clogged (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-fuel-filter). These both can cause the engine...

Hello, thanks for writing in. I'd be happy to help. I would like to know if the engine is cranking over or if nothing happens. If it is cranking and not starting, then that is usually caused by a bad...

Yes, a possibility is the timing belt (https://www.yourmechanic.com/services/timing-belt-replacement) has failed. However, it is also possible (and greatly preferred) that the gear driving the distributor has sheared off. Your engine is "probably" in that class of engines known as "interference engines"...

If you have less than 15 lbs of pressure inside your tire, you should change the tire and bring it to a tire station to be repaired or replaced. Driving on a tire with very low tire pressure (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-flat-tire) can...

Hello Milton. It seems that you have an fuel pressure issue. There are two electrical components that contribute to how fuel is regulated. They include the fuel pressure regulator, and the fuel rail pressure sensor. Due to the age of...

Hi there. Most shops will charge to replace the brakes on a vehicle by the axle. That would be the front wheels as one axle and the rear wheels as a second axle plus parts. The dealership wants to replace...

Hi - your Impreza has a turbocharged engine for enhanced performance. This produces pressurized air for the engine, increasing power. To avoid over-pressurizing the engine, there are boost pressure controls, and a "waste gate (https://www.yourmechanic.com/question/how-necessary-is-it-to-repair-the-wastegate-by-chancey-w)" port to vent over-pressure -...

The control valve in the power steering system maybe stuck causing the system to not push the fluid to the rack and pinion. Check the fluid to the power steering pump and see if the fluid has bubbles in it....

Hi there. The best way to determine what is causing these lights to illuminate on your dashboard is to have a professional mobile mechanic come to your location and complete a check engine light inspection (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection). When your lights illuminate,...