Q: Stalls when stops

The first thing to check is the oil filter. Was the oil changed recently? Remove the filter and check the gasket. Did it push out of the groove? Are there two gaskets? Some other sources of pressurized leaks are a...

If the compressor is failing it is hard to say if you can still drive the car. If the compressor is failing internally and only acts up when the AC is turned on, then you can still drive the car...

You need to have the engine computer scanned (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) to see what trouble code is stored. Not all codes will cause the engine to run bad or cause a noticeable problem. For instance, a trouble code could be triggered by...

Hi there. As long as your fuel pressure is at or above 50 psi then the fuel system should not be the issue. Most of the time this is caused by a bad crankshaft position sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement). This sensor will...

Without knowing what type of vehicle, I can only provide you with probable causes. These probable causes cover both vacuum and electronically controlled transmissions. The shift cable can be out of adjustment or broken. An improperly functioning vacuum modulator can...

Hi there. The car bent the suspension and the advanced track sensor sees that the angle of the wheel is not straight. Check the suspension and see if anything is bent or broken. A bent suspension component will make the...

Oil leaks should be repaired because leaking oil can damage external engine components such as rubber motor mounts. If you want the source of the oil leak identified and the repair estimated, simply request an oil leak diagnostic (https://www.yourmechanic.com/services/oil-fluid-leak-inspection). Your...

Oil leaks can be external or internal. Internal oil leaks often occur at the valve stem oil seals and/or the valve guides as well as at worn piston rings. External leaks not already included in your list include the spark...

Hi Schuyler. I'm sorry to hear you are having a bad experience with overheating on the Scion. The truth is that random overheating problems like you've described are very difficult to pinpoint and isolate. Although many mechanics often assume that...