good day sir, my name is saif and i have santro car 1000cc efi
my car problems is rough jerking idle / black smoke and to much fuel consumption, now i already overhaul engine new rings and valve and guide and packing seal,also checked all vacume leakage,and checked other santro car taken throttle with tps and iac valve sensor and fitted in my car but same problem, i noted when i disconnect map sensor wire my car idle speed little good but smoke still and also note when i connect map wire check engine lights on, plz help me