Possible Fault Causes
Rich mixture (approximately 23% Deviation): Possible causes: - High fuel pressure (regulator, return line obstructed) - Defective mass airflow meter - Defect in positive crankcase ventilation - Defect in O2 sensors
Rich mixture (approximately 23% Deviation): Possible causes: - High fuel pressure (regulator, return line obstructed) - Defective mass airflow meter - Defect in positive crankcase ventilation - Defect in O2 sensors