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.
Enable Conditions
| Condition | Minimum | Maximum |
|---|---|---|
| Engine coolant temperature [ECT Sensor 1] |
156 deg.F (69 deg.C) | - |
| Intake air temperature [IAT Sensor (1)] |
18 deg.F (-7.6 deg.C) | - |
| Engine speed [Engine Speed] |
1100 RPM*1,*3 1000 RPM*2 |
4000 RPM |
| MAP value [MAP Sensor Voltage] |
21 kPa (6.3 inHg, 160 mmHg) | - |
| Fuel feedback | Closed loop | |
| Monitoring priority | P0420 | |
*1: 2019 KA, KC and KX models
*2: 2020 - 2021 KA and KC models
*3: 2020 - 2021 KX model
[ ]: HDS Parameter
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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