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What are the most common causes of purge control valve failure in the Prius, especially in Pakistans driving conditions?

What are the most common causes of purge control valve failure in the Prius, especially in Pakistans driving conditions?

Factors like dust, humidity, and fuel quality vary in Pakistan. How do these environmental factors contribute to purge valve failure in the Prius?
Lubaba asked on 15 Feb 2025 11:48:53 am
1 Answer
20 views |
Car Mechanic Expert - on 15 Feb 2025 11:53:21 am
Dust & Humidity: In places like Karachi and Lahore, the high levels of dust and humidity can cause dirt and moisture to enter the EVAP system, clogging o r damaging the purge control valve.
Fuel Quality: Low-quality o r contaminated fuel can lead to the accumulation of carbon deposits, which may clog the purge valve and prevent it from functioning correctly.
Extreme Temperatures: The hot climate can cause seals and internal components of the purge valve to degrade over time, leading to failure.
 

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