Can u help me out in this basic things. i have to tune mine car on cng soo where i should for best of it. and one more thing iam having some problem in mine car. when i do slow mine car at signal's or even i do slow it down for jumps its get off. i have to put the ignition on again and then have to driver...and it also give some jerks when i get to speeds same it as it give when we are on low on gas or fuel .. but the gas is full..