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Symptom Related Diagnostic Procedures

VTEC Solenoid Valve Troubleshooting Flowchart (part 1 of 2):




Troubleshooting Flowchart VTEC Solenoid Valve (part 2 of 2):





Malfunction Indicator Lamp (MIL) indicates Diagnostic Trouble Code (DTC) 21: A problem in the VTEC Solenoid Valve Circuit.