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What are the common symptoms of a failing purge control valve in the Toyota Hilux?

What are the common symptoms of a failing purge control valve in the Toyota Hilux?

Symptoms include:
Check Engine Light CEL illumination
Rough idling & hesitation during acceleration
Poor fuel economy due to fuel vapor mismanagement
Difficulty starting the engine
Fuel smell in the cabin o r near the car
Sirat Ul Jinan asked on 12 Feb 2025 11:22:57 am
1 Answer
14 views |
Car Mechanic Expert - on 12 Feb 2025 11:29:42 am
Common symptoms of a failing purge control valve include:

Check Engine Light CEL: The light may illuminate due to EVAP system errors.
Rough Idling & Hesitation During Acceleration: If the valve is stuck open o r closed, fuel vapor mismanagement can cause engine performance issues like rough idling o r hesitation.
Poor Fuel Economy: Mismanagement of fuel vapors can lead to an incorrect air-fuel ratio, causing excessive fuel consumption.
Difficulty Starting the Engine: If the valve is clogged o r malfunctioning, it can cause issues during starting.
Fuel Smell: A faulty valve may cause unburnt fuel vapors to leak, leading to a noticeable fuel smell inside o r near the vehicle.
 

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