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Fig. 156: EVAP Pressure Graph - Purge VSV Stuck Closed 2. PURGE FLOW MONITOR Fig. 157: EVAP Pressure Graph - Purge Flow Monitor The purge flow monitor consists of two monitors. The 1st monitor is conducted every time and the 2nd The 1st monitor While the engine is running and the purge VSV is ON (open), the ECM monitors the purge flow by
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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