dear all , yesterday went to suzuki authorized workshop ( 3s or 5 s dealer)
he said expected two problem.
throttle body sides cutting or tuning.
he tuned cultus , then service throttle body
the problem were
1- one O ring was missing from sensor.
2-butterfly valve sides damage ( ghiz gai hen which through air)
3-cng fuses were not working he replaced.
4- air cleaner body ka rubber dmage tha he replaced.
80-90 % issue resolved
he suggest to repair throttle body's butterfly valve (coz new one is 20,000-25000 pkr)
highly thankful to all.