Q: My car has trouble turning on then turns off if gas isn't applied. And shakes when it is on.

The AC system is a sealed system, so you are correct to believe your Cadillac may have a leaky AC if you are experiencing a problem. The more common leaks are usually found right behind the front grill where the...

Yes, because they want to do it professionally. Here's the problem with rust (https://www.yourmechanic.com/article/how-to-repair-a-rust-hole-in-your-car). Rust on metal, rusts from the inside out. So once it is rusted, the metal is damaged and the only way to fix it is to...

The first thing to check is the computer for any codes. If you are getting misfire codes like P030x (https://www.yourmechanic.com/article/p0300-obd-ii-trouble-code-random-multiple-cylinder-misfire-detected-by-jamahl-walker), then you have a cylinder that is misfiring. The "x" is the cylinder that is misfiring. Also look for a...

A few different parts can cause this problem. The ignition switch (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-ignition-switch) or key cylinder (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-ignition-lock-cylinder) are most likely. Another possible cause is the security module. In any of these cases, hot wiring the car is not recommended as it...

There are many possible causes for this symptom; there could be a vacuum leak, or the car may simply need a tune-up. It would probably be best to have a certified mechanic take a look at the car and perform...

The little orange light that looks like a spring is the Glow Plug Warning Light. But when it comes on, it doesn't necessarily mean you have a problem with your glow plugs. Like the check engine light, it means that...

Hi there. The best advice I can offer is to have a professional mobile mechanic come to your location and complete a car is overheating inspection (https://www.yourmechanic.com/services/car-is-overheating-inspection). My fear however, is that the frequent overheating may have caused internal engine...

There are quite a few labs (just do Internet search) that perform passenger car engine oil analyses and such a service is economical as it is done through the mail. Visual observation, in the circumstances you are describing, will not...

Without knowing what caused the check engine light to come on or the codes stored it would not be able to be determined if engine damage can occur if you continue to drive it. I would recommend having the codes...