Lincoln MKZ constant battery replacement and fuel injector issues following spark plug tune-up on Lincoln MKZ

Some Lincoln MKZ owners report experiencing persistent battery drain issues, which may be attributed to corroded battery cables or other electrical faults. Following a spark plug tune-up, some owners find that improperly gapped or faulty spark plugs can lead to performance problems and affect other components, such as fuel injectors. Additionally, fuel injector issues are reported by some owners, which can result in performance declines and potentially costly repairs. To mitigate these concerns, many owners emphasize the importance of regular maintenance, following the manufacturer's recommended schedule to identify and address potential issues before they escalate. Seeking professional assistance from a qualified mechanic is often advised to effectively diagnose and resolve these underlying problems, ensuring optimal vehicle performance.