Question about Hyundai Accent

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I have a 2000 model auto Hyundai accent, it has been not wanting to accelerate intermittenlty, is worse hwne car has been running for a while in traffic. We have found the error code as P1123, can you advise what this code is for.

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ObdII P1123 is a error refer to Air/fuel controller
OBDII P1123 Fuel Trim Additive, System Too Rich


the obdII P1123 is a error refer to Air/fuel controller


OBDII P1123 Fuel Trim Additive, System Too Rich

the following info is a copy/paste of HMA service:


PRIMARY COMPONENT:

Air/Fuel Control System

SECONDARY SENSOR(S):

Mass Air Flow (MAF) Sensor
Throttle Position (TP) Sensor
Intake Air Temperature (IAT) Sensor
Engine Coolant Temperature (ECT) Sensor
Oxygen Sensors

FAILURE CONDITIONS

If the air/fuel mixture at idle is too rich for more than 30 seconds during two back-to-back trips, this code will be set and the Malfunction Indicator Light (MIL) will be turned on.

Details:


The code will be triggered if the following conditions are met:

Long term fuel trim value (additive) is less than -0.75 ms (-15% to -20%) for 30 seconds or more
Engine speed is less than 880 RPM (1000 RPM, 2.0L Tiburon)
Mass air flow rate is less than 6.1 g/s (7.5 g/s, 2.0L Tiburon)
Engine coolant temperature is greater than 158°F (70°C) [176°F (80°C), Accent]
Engine in closed loop operation
No canister purge occurring

Posted on Sep 08, 2008

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