CHECK EXHAUST GAS.

1) Start the engine and warm up engine until coolant temperature is higher than 75°C (167°F).

NOTE:

For detailed operation procedures, refer to “READ CURRENT DATA FOR ENGINE”.

2) Race the engine several times so that the engine speed exceeds 3,000 rpm, and check the exhaust gas while racing the engine.

QUESTION

Is black smoke emitted?

Yes No

Perform the following operations, and go to the next step.

• Catalytic converter & DPF replacement

• DPF maintenance (DPF change)

• Check the DPF pressure difference sensor pipe.

• Check the exhaust temperature sensor 1 and exhaust temperature sensor 2 circuit.