Symptom Chart

SYMPTOM	POSSIBLE CAUSES	ACTION
Exhaust excessively noisy	Exhaust system leaking Exhaust system fouling body, transmission, etc	Check the exhaust system for leaks Check the exhaust system for foul conditions
Loss of engine performance	Exhaust system restricted/blocked Catalytic converter blocked or damaged Fuel system fault Ignition system fault Engine system fault	Check the exhaust system for restrictions and blockages Check the catalytic converter for blockage or damage Refer to the relevant portion of the service information and check the fuel system Using the manufacturer approved diagnostic system, check the engine control module for related DTCs and refer to the relevant DTC index