hi, im using 4g92p sohc ecu..it is possible to tune my stock ecu and check the AFR/ignition problem??
coz i hv a problem wif my car when speeding at 100+km/h, got soung like bell,"krenngg krengg" and i felt the power...
Is it true that by remapping our vehicles ECU will result in better fuel economy as well as more power?
My friend's persona after remapping his ECU his vehicle can travelled around 700 plus one full tank with a heavy...