mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

EGR Vacuum Check|Page 2379 > < Throttle Body - Overhaul Procedure|Page 2376
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Throttle Body: Testing and Inspection
EGR Vacuum Check

1. Disconnect the vacuum hose (white stripe) from the EGR solenoid, and then connect a hand vacuum pump via the three-way terminal.
2. Regarding the engine in cold and hot conditions, check the condition of vacuum when a rapid racing has been performed by opening the throttle

valve quickly.

When engine is cold
[Engine coolant temperature: 2O°C (68°F) or less]

When engine is hot
[Engine coolant temperature: 8O°C (176°F) or higher]

EGR Vacuum Check|Page 2379 > < Throttle Body - Overhaul Procedure|Page 2376