Inside the catalytic converter, there are precious metals that help to convert dangerous gases into products that can be dispersed into the environment. The catalytic converter is a vital part of the emissions system. It could also keep you from starting the engine. Instead, you will end up dealing with a misfiring engine, stalling, strange vibrations, or a rough idle. If one gets damaged, the fuel won’t get where it needs to go. The injectors push the fuel into the combustion chamber of the engine. The fuel injectors are also a vital part of the fuel system. RELATED: 8 Symptoms of a Bad Fuel Pump 4. Once the pump fails completely, it can be impossible to start the engine. You will see an inconsistent supply of fuel, leading to power loss and random surging. If the pump has failed, you will notice this warning, along with several performance issues.īecause the fuel pump is responsible for transferring gas to the engine, any failure will lead to starvation of the motor. If the Drivetrain Malfunction error occurs, there could be a problem with the fuel getting to the engine. The engine requires the right amount of fuel to work its best. RELATED: 6 Symptoms of a Bad Ignition Coil 3. You wouldn’t normally replace the ignition coils at regular intervals. There will also be noticeable performance issues while idling. When the coils go bad, power can’t be distributed to the spark plugs.Īs a result, you will notice a misfiring engine and a loss of power. Ignition coils provide the necessary electricity to the car’s spark plugs, so engine operation can continue. That’s why it’s important to perform tune-ups at regular service intervals. If you were to continue driving like this, you could cause permanent damage to the catalytic converter and engine. Your problem could be one plug or multiple.Īs the plugs become older, they can no longer provide the spark required to keep the engine running right. One of the main culprits of a misfire is fouled spark plugs. Fouled Spark PlugsĪ misfiring engine is sure to lead to a Drivetrain Malfunction error. Here are some common causes of the BMW powertrain error message: 1. There are many different causes of the BMW drivetrain malfunction message, and the best way to determine what is wrong is to read the trouble codes. This mode ensures that no further damage occurs to the engine or transmission, giving you the time you need to get your car to a safe location for repair. At the same time, the fail-safe driving mode, otherwise known as limp mode, might be activated. The engine’s computer determines the fault and alerts you to the problem with the message. It can be a problem with the vehicle’s ignition or fuel system, but it is sometimes a problem with the transmission.ĭepending on the problem, strange symptoms occur, which could include the fail-safe driving mode. When the drivetrain malfunction message appears, it indicates that there is a problem with an engine or transmission component. Conclusion What Does The Drivetrain Malfunction Message on BMW Mean?
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