Q: I have a 1991 legacy all of a sudden the stop light is staying on and the battery indicator light is staying on. As well as the ou

Hello. Unfortunately, without hearing the noise myself it is hard to make an accurate recommendation. The first thing that needs to be determined is the type of noise that is present and the possible sources. Rattling or knocking noises while...

Check to ensure that you installed the correct spark plugs and they match the ones you took out. The new replacement plugs should be iridium type and will last up to 100000 miles. If you put in the incorrect plugs,...

Either you have a blocked exhaust like a bad converter, a muffler clogged from a broken up converter, or you have a bad ignition module or fuel pressure problem. First try replacing the fuel filter (https://www.yourmechanic.com/services/fuel-filter-replacement) to see if it...

Make sure to stay in touch with Porsche on this issue. It is possible the Idle Air Control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement), which "adjusts" engine idle speed, is faulty, or is receiving an incorrect signal to raise the engine RPM (say for...

I would check the fuel pressure (for being low) before doing anything else. If it is, check the fuel pressure regulator (https://www.yourmechanic.com/services/fuel-pressure-regulator-replacement). (A clogged catalytic convertor would be a constant problem, not intermittent as you describe.) A professional mechanic, like...

The code P0455 will not be fixed by having an oil change and tune up. The evaporative leak may just have been caused by a loose or leaking gas cap. The system will need to be tested by leak testing...

Hello, thank you for writing in. When dealing with a cranking, no-start situation you always need to think about the basics. The first three things you need to make sure you have are fuel, air, and spark. If you are...

The issue you are writing in about is common enough that a specific diagnostic, namely a Reduced Engine Power Warning Light Diagnostic (https://www.yourmechanic.com/services/reduced-power-light-is-on-inspection) is performed by technicians dispatched by YourMechanic. If you request that diagnostic, the responding certified mechanic will...

Hi Christopher. Thanks for the question today. Unfortunately, we can't help you here, since we can't attach files or images to this platform. You should contact a local Ford dealership service or parts department, as they should be able to...