Members who reacted to message #26

hi all,
i'm owning a saga lmst with 4g13p,done top head overhaul,change spark plug,air filter and extra...
problem is jerking. When my rpm without on AC is 1000 every thing is ok without jerk,when AC on the rpm drop to 750 to 800 car so jerk..i checked the vacuum connected from intake magnaflow is ok without fault.After that i tried to adjust the AC idle with AC on to 1000rpm, it was no jerk but in the same time i off the AC rpm went to 1300 to 1400, it was too high so i decided to adjust...