Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2019 Kia Forte EXFACTORY OEM SERVICE PROCEDURE
DTC Index
DTC INDEX
| DTC | Description |
|---|---|
| DTC P0116 | 00: Engine Coolant Temperature Circuit Range/Performance |
| DTC P0117 | 00: Engine Coolant Temperature Circuit Low Input |
| DTC P0118 | 00: Engine Coolant Temperature Circuit High Input |
| DTC P0119 | 00: Engine Coolant Temperature Circuit Intermittent |
| DTC P0121 | 00: Throttle Position Sensor 1 Signal Circuit Range/Performance |
| DTC P0122 | 00: Throttle Position Sensor 1 Signal Circuit Low Input |
| DTC P0123 | 00: Throttle Position Sensor 1 Signal Circuit High Input |
| DTC P0125 | 00: Insufficient Coolant Temperature for Closed Loop Fuel Control |
| DTC P0130 | 00: O2 Sensor Circuit (Bank 1/Sensor 1) |
| DTC P0131 | 00: O2 Sensor Circuit Low Voltage (Bank 1/Sensor 1) |
| DTC P0132 | 00: O2 Sensor Circuit High Voltage (Bank 1/Sensor 1) |
| DTC P0133 | 00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) |
| DTC P0134 | 00: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) |
| DTC P0135 | 00: O2 Sensor Heater Circuit (Bank 1/Sensor 1) |
| DTC P0136 | 00: O2 Sensor Circuit (Bank 1/Sensor 2) |
| DTC P0137 | 00: O2 Sensor Circuit Low Voltage (Bank 1/Sensor 2) |
| DTC P0138 | 00: O2 Sensor Circuit High Voltage (Bank 1/Sensor 2) |
| DTC P0139 | 00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2) |
| DTC P013A | 00: O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 |
| DTC P013B | 00: O2 Sensor Slow Response - Lean to Rich Bank 1 Sensor 2 |
| DTC P0140 | 00: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2) |
| DTC P0141 | 00: O2 Sensor Heater Circuit (Bank 1/Sensor 2) |
| DTC P016B | 00: Closed Loop Air/Fuel Ratio Control At Limit-System Too Rich |
| DTC P016C | 00: Closed Loop Air/Fuel Ratio Control At Limit-System Too Lean |
| DTC P0171 | 00: System Too Lean (Bank 1) |
| DTC P0172 | 00: System Too Rich (Bank 1) |
| DTC P0201 | 00: Injector Circuit/Open - Cylinder 1 |
| DTC P0202 | 00: Injector Circuit/Open - Cylinder 2 |
| DTC P0203 | 00: Injector Circuit/Open - Cylinder 3 |
| DTC P0204 | 00: Injector Circuit/Open - Cylinder 4 |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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