Home >> Ford >> 2000 >> Taurus V6-3.0L VIN U >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Reading and Clearing Diagnostic Trouble Codes >> Reading Diagnostic Trouble Codes >> Performance Diagnostic Procedures/Quick Test >> QT - Step 3: No DTC(s) Present Symptom Charts >> Chart 9 - Spark Knock