tuneup ekak kara kiuwa nisa fuel pressure, injectors, throttle body, MAF, etc check/clean karala athi kiyala hithanawa.
engine eka start karala balanna idle thiyala manifold eka awata, throttle body saha MAF sensor eken passe thiyena air hose wala leaks thiyenawada kiyala. podi podi vacuume...