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.

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HOMESERVICE MANUALSKIA2017RIO EX, 4D HATCHBACKREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 3)DTC P0301: CYLINDER 1-MISFIRE DETECTEDSCANTOOL DIAGNOSTICSMONITOR GDS DATA

2017 Kia Rio EX, 4D Hatchback

Monitor GDS Data

2017 Kia Rio EX, 4D HatchbackSECTION Monitor GDS Data

Connect GDS to Data Link Connector (DLC).
Warm up the engine to normal operating temperature.
Monitor the "Parameters related to Ignition and Misfire" on the GDS.

Fig 1: Screen Display - Parameters Related To Ignition And Misfire ON GDS (1 Of 2)
Courtesy of KIA MOTORS AMERICA, INC.

RENDER: 1.0x

NO RELATED

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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.