Q: maintance light and check engine light

When there is an electrical draw that drains your car’s battery, it is known as a parasitic draw. A parasitic draw or drain is usually first noticed when the battery is discovered dead after the vehicle has been off with...

If your master cylinder is not losing fluid and you tried bleeding the system then your master cylinder is bad. The internal rubber cups got damaged when you allowed the pedal to go to the floor the first time. You...

Hi there, thanks for writing in. Typically when a problem is recognized by the on board computer (ECM), an error code will be triggered that illuminates the check engine light initially. However, this error code is also stored in the...

It sounds like your engine needs a "tune up". This typically means new oil, oil filter, spark plugs (https://www.yourmechanic.com/services/spark-plugs-replacement), spark plug wires, fuel filter, fuel pump if needed, new battery, new air filter, and a few other components if need...

You may have a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at idle. Since...

It sounds like you may have a faulty MAP sensor. The Manifold Absolute Pressure (MAP) sensor senses engine load and generates a signal that is proportional to the amount of vacuum in the intake manifold. The engine computer then uses...

The vehicle may have open recalls for fuel tank possible leaks. You will need to verify all recalls for the vehicle are first done and then the evaporative emission and fuel tank vent checked. The fuel tank should not be...

Hi There, The thermostat regulates the flow of the coolant in your car's engine and controls when the coolant flows in and out of the motor from the radiator by opening and closing at specific temperatures. When your thermostat (https://www.yourmechanic.com/services/thermostat-replacement)...

Hello. We will be happy to help you out. There are only a few things which can cause your transmission to not select gear. They can be bad shifter bushings, shift linkage broken or disconnected, or an internal transmission issue....