Nissan Altima rough idling and driving issues after ignition coil replacement on Nissan Altima

Some Nissan Altima owners report experiencing rough idling and driving issues after replacing the ignition coil, potentially due to underlying spark plug problems that may have been uncovered during the process. Additionally, concerns with fuel injectors not functioning correctly can contribute to these performance issues. Major mechanical problems within the engine may also result in similar symptoms, impacting overall vehicle performance. Furthermore, vacuum leaks are commonly reported as a cause of rough idling, while damaged spark plugs or a faulty distributor can lead to drivability issues or prevent the car from starting altogether. To address these concerns, it is advisable for owners to ensure spark plugs are in good condition, check for fuel injector malfunctions, inspect the engine for mechanical problems, verify the absence of vacuum leaks, and assess the distributor and distributor cap for damage. If issues persist, consulting a professional mechanic for a thorough diagnosis is recommended.