A "blowing engine" is a common phrase used to describe a car engine that is not functioning correctly. However, there are many other synonyms for this phrase that may come in handy when describing engine issues. One example is "blown engine," which means the same thing but in a more concise way. Another synonym is "engine failure," which highlights the fact that the engine has stopped working altogether. "Engine troubles," "engine malfunctions," and "engine problems" are also good synonyms to use when describing engine issues. Whatever term you use, it's important to be clear and concise in your description to help ensure that the problem is addressed and resolved as soon as possible.