Q: Diesel in gas tank

Automotive glass that is used today is designed to shatter into small, containable pieces for one reason – safety. Prior to the invention of tempered glass (constructed from multiple layers of glass with a polymer or plastic middle), glass would...

You most likely have an engine misfire. The cause could be an ignition coil, spark plug, or plug boot problem, such as the valve cover leaking oil into the spark plug hole, shorting the coil out. I recommend that you...

The front end of the vehicle uses many components to ensure a good ride and decent handling. The suspension system ball joints or sway bar end links can become worn over time and allow for extra movement. This can be...

Hello. For this issue with your 1997 Saab 900, I suggest checking the operation of the crank position sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement). If the current position sensor goes bad, it won't send the parameters to the engine for it to calculate how...

It sounds like your battery or your alternator is getting weak. When the vehicle starts slowly and seems to have trouble, this is usually related to a dying or dead battery. The alternators job is to charge the battery while...

The most important thing to understand about electricity is it occurs on the atomic level. What appears to be a good connection to the human eye may not be to electricity. This is why we have test lights and multimeters...

Hi there. If there is a problem with your vacuum hoses (https://www.yourmechanic.com/article/how-to-inspect-car-vacuum-hoses-by-spencer-cates), then they need to be replaced. If they are clogged, leaking, or just very soft then they need to be replaced as they can cause a series of...

Hey there. In the context of engines, interference timing refers to the use of a timing belt rather than a chain (https://www.yourmechanic.com/article/what-is-the-difference-between-a-timing-belt-and-a-timing-chain), such that when this belt breaks, the camshaft and other internal parts (like valves) will cause major damage...

Hi there. A new Lancer should not be locking the driver door with the key in the ignition, however that is only when the key is in the ON or ACCESSORY position. When you have the key out of the...