* Engine stalling: The engine may stall suddenly while you are driving, or it may refuse to start at all.
* Rough idling: The engine may idle rough or at a low RPM.
* Engine misfires: The engine may misfire, causing jerking or hesitation when you accelerate.
* Poor fuel economy: Your car may get worse fuel economy than usual.
* Check engine light: The check engine light may come on.
If you experience any of these symptoms, it is important to have your car inspected by a qualified mechanic to determine if the crankshaft position sensor is faulty.