How to check Purge control valve is working any vehicle

Agr ap ne tamam leakage check kar li aur ap purge control valve check karna chahte hein to sub se pehle ap connecter mein current check karein aur agar current plus minus okay hai to ap aisa karein ke purge control valve se woh pipe utarein jo tanki ki taraf jata hai aur phir gari start karein aur purge control IN FROM TANK side pe finger rakh ke dakhein ke engine hawa kheench raha hai ke nhi,
hawa jatke se kheenchi jaye ge, agar nhi kheench raha to purge control valve change kar dein.

oper mein ne purge control valve ki picture apko dikhai hai yeh mukhtalif shakal ka hota hai kahein issi surat ka na dhoondte rehna.

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