yeh sara pressure ki wajah sy hoo reha haj jab tank m pressure banta hai tab yeh fuel guage sahi show nahi karta jab hum fuel cap open karte hain toh sara pressure nikal jata hai tank m sy phir car fuel guage sahi show kaeti hai meri car m bhi yehi masla hai shayad fuel guage kharab hoo kyun kh tank m pressure har m banta hai its normal.