Problems with my kia

[bosster18]

Hi I Have Problem With My Automatic Kia Sephia 96 1.8 Twin Cam. It Turn On The Check Engine Light So I Scan The Computer And I Gave Me The Following Codes "p0170 Fuel Trim Malfunction, P0140 02 Sensor Circuit No Activity Detected( Bank 1 Sensor 2, Exhaust Gas Recirculation Flow Malfunction, P1170 Ho2s11 Circuit Voltage At Mid-range" But I Bought A New Egr, A New Flow Meter, I Have Allready Put 2 New Air Sensors, A New Ignition I Have Checked The Only 4 Vacuum Hoses That I Cut See That Are Located On The Right Side Of The Motor Close To The Injectors And The R All Fine And It Still Dosent Run Right When I Have To Break For A Red Light Or When I Start The Car If I Don`t Accelerate It It Shut`s Of And When I`m Driving At A Stable Speed Like 55 And When I Hit The Gas Pedal A Little Bit Its Like It Drowns With The Gasoline Please Help Me I Don`t Know What More I Can Do To The Car Att Carlos

[bosster18]

I Put The 2 O2 Sensors That Go On The Exhaust System And The Maf (flow Meter Or Air Flow Sensor) The Maf Is The 1 That Goes After The Air Filter Right ? If It Is Yeap Its New And The O2 Sensor R New Too Actually Today I Went To Mazda And Kia Motor In Aguadilla P.r. And Buyed The New Egr And The 2 O2 Sensors And It Still Giving Me Problems What Should I Do

[davidsawesome]

I had an improperly grounded MAF that was screwing with everything.... My uncle is a mechanic, he did a redundant ground (I think that's what he called it) and it works perfect now.