Q: My 2003 silverado will not releasefirst gear. Do I need a new transmission??

Hello. A flashing Check Engine Light on your vehicle typically indicates that there is an engine misfire. This can occur from a failing spark plug (https://www.yourmechanic.com/article/symptoms-of-bad-or-failing-spark-plugs) or more commonly a clogged or failing fuel injection unit (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-fuel-injector). I typically check...

Hello. It sounds like there is a short in the wiring harness of the car. If the wiring comes into contact with other wiring, this may cause a short and smoke from the dashboard. This sometimes happens due to old...

Hello. Though there are a lot of areas that can leak coolant on this car, it is common for the head gasket to fail and cause this. If the leak cannot be easily seen I usually pressure test the system...

Hi and thank you for contacting YourMechanic. It sounds like there is a ground to chassis problem that is draining your battery (https://www.yourmechanic.com/article/how-to-diagnose-a-car-battery-drain_2). Check your negative battery cable for corrosion and make sure that the connection points are secure and...

Hi there. The issue with your speedometer not working properly is the transmission output shaft speed sensor has a faulty pickup or broken wire inside it. The speed sensor has a magnet that reads between teeth on a gear within...

This may be a sign of a faulty blower motor. As you know, these have electric motors in them that wear out over time and will begin to make squeaking or grinding noises as the bearings begin to wear out....

Sometimes when a check engine light comes on it will set a code in the computer and if after a set time limit the problem does not repeat the computer can turn off the light and go back to normal...

This may be a result of low transmission fluid (https://www.yourmechanic.com/services/transmission-fluid-service) or potentially a faulty transmission control module. A faulty transmission control module may cause a delay in acceleration or erratic shifting of gears. The transmission control module has various sensors...

Hello, thank you for writing in. Considering the age and the mileage on the vehicle, it is not impossible for a few of these components to be going out at once. If the check engine light remains on, you will...