Diesel Data: Automotive Repair

Purge Control System





PURGE CONTROL SYSTEM CHECK
1. Disconnect the vacuum hose from the throttle body and connect it to a hand vacuum pump.
2. Plug the nipple where the vacuum hose was removed.
3. When the engine is at operating temperature [Engine coolant temperature: 80°C (176°F) or higher], apply vacuum at idle to check the condition of the engine and the vacuum.