Q: O4 Chevy Cobalt flooded

The short answer is – yes, every state requires emission testing (https://www.yourmechanic.com/article/5-Essential-Things-to-Know-About-Car-Emissions). However, there can be a lot of variation from state to state and even within a state. All states require annual or biennial tests, but in many states,...

Your car’s vehicle stability assist (VSA) system is designed to provide better traction and handling during certain types of driving conditions. However, there may be times when you need to turn it off. For instance, you might need more power...

The first thing to check for is any blown fuses for the brake lights. The brake light switch gets power from the a fuse and then sends power into the brake light fuse and the turn signal module. Power from...

Hi there. The most common cause of that vehicle not starting is the fuel pump and fuel filter. Over time, the pump motor will stop working and needs to be replaced. I would recommend having a technician come out and...

Hello. There are a couple of reasons why your horn keeps going off. It is possible that one of the horn contacts is stuck or making contact in error. It is also possible that there is an issue with your...

Hello. There are many possible recalls (https://www.yourmechanic.com/article/how-to-check-if-your-car-has-recalls) for steering, safety belts, transmission, radio, computer reprogramming and seats power recliner issues. There may be ever more problems that the dealer has listed and not published yet. The vehicle had more recalls...

Whenever the ECM is disconnected the idle control settings the ECM has stored in memory will be cleared. The ECM will revert to the factory-new settings and since the engine now has high mileage and the need for adjustments to...

If the ABS warning light has come on, the recommended service is an ABS fault diagnostic (https://www.yourmechanic.com/services/abs-light-is-on-inspection). Inasmuch as the warning light is on, if you request that diagnostic, the responding certified mechanic will download the ABS trouble codes that...

The faulty component cannot be pinpointed based on your description but, generally speaking, the problem area will be within the shift linkage assembly or the clutch including the hydraulic control of the clutch. There is always a possibility of an...