An engine functions as a pump, requiring a precise combination of fuel, air, and spark. If any element of this trio is imbalanced, your Buick Enclave won’t run right (or at all). While a misfire is the symptom of bad spark plugs, bad spark plugs almost always indicate a problem with the engine (more on … Continue reading Buick Enclave Bad Spark Plugs: Symptoms, Diagnosis, + How to Fix