Assallam o Allekum guys i m live in karachi and my carby cultus make different problems on CNG some one told me ke cng kit ke tunning and setting karwao may be yeh issues solve hujaye some time bhaut ziyada smell ate he cng pe or mene check karwae to pata chala ke leak kahe se nahe ho rahe he cng...... kindly mjhe btade karachi me best cng setting kaun karta he????? and car accelerator chorte he bund bhe hujate he but jub ac on huta he to us waqt nahe hute he ... kindly guide me earliest.... and tuning and setting ke cost kiya huge??