my swift was giving me mileage of aroudn 9-10 km/ltr and then suddenly somedays ago engine check light came up, i sent the car for tuning to akbar motors (nipa) they did tuning and oil change but since they did not had computer so they were not able to completely get rid of engine check light, but told me that some wires were loose because of which maybe it was blinking,
after i guess 20 kms of tuning engine check light again showed up but this time it comes and goes, usually cmoes up when the ac is onn in idle position, i took it to akbar motors but they told me there is nothing wrong with tuning and everything is ok
my car was having some missing as well + when ever i start AC it takes load, more than usual
i took it for scan and it was showing oxygen sensor problem, well after a thorough checkup we came to know that it was not oxygen senor that was causing the missing but there was some loose grip/ pipe
after fixing that the missing was stopped and error was vanished
but still i am not getting good mileage,
please advice how to get good mileage