2017 KIA Optima G4KH/Nu 2.4L MPI (JF)

JF / Sedan / Global (including US, Europe, South Korea)

G4KHNu 2.4L MPID4HARegistro exacto de año/versiónSilver

Engine identity

Engine code

G4KH, Nu 2.4L MPI, D4HA

Engine summary

2017 Kia Optima JF generation offered with 2.4L inline-4 (G4KH, Nu MPI) in multiple markets; some diesel variants with 1.7L CRDi (D4HA) mainly in Europe.

Displacement

2359 cc (G4KH, Nu 2.4L MPI), 1685 cc (D4HA diesel)

Power

188 hp @ 6300 rpm (2.4L MPI), approximately 141 hp (1.7L diesel)

Torque

241 Nm @ 4000 rpm (2.4L MPI), 340 Nm (1.7L diesel)

Fuel system

Multi-Point Fuel Injection (MPI) for gasoline; Common Rail Direct Injection (CRDi) for diesel

Timing drive

Timing chain

Puerto OBD

Verify by VIN and market

Oils and fluids

Tipo de aceite

SAE 5W-20 or 5W-30 fully synthetic oil meeting API SN or equivalent

Capacidad de aceite

Approximately 4.3 liters including filter change (service-fill estimate for 2.4L MPI)

Refrigerante

Approx. 7.5 liters

Fluido

ATF SP-IV or equivalent for automatic transmissions

Differential fluid

Not applicable (front-wheel drive)

Líquido de frenos

DOT 3 or DOT 4

Service and parts data

Manual transmission

6-speed manual available in some markets

Automatic transmission

6-speed automatic (conventional torque converter)

Spark plugs

Iridium tipped, NGK or equivalent recommended

Service interval

Typically every 10,000 to 15,000 km or 12 months, whichever comes first

Medidas de neumáticos

215/55R17, 235/45R18

Torque de rueda

Verify by VIN and market

Common and chronic problems

Timing chain noise on early models
Turbo lag on diesel versions (where applicable)

First checks

Oil leaks at valve cover gasket
Cooling system hoses and radiator corrosion

Antes de cambiar piezas

Save fault codes and freeze-frame data before clearing anything.
Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

Market and engine availability varies: US market primarily with 2.4L G4KH, Europe offered diesel D4HA.
Oil capacity includes filter replacement, based on official service manuals and shop references.

Códigos comunes

Source and verification notes

Official 2017 Kia Optima Owner's Manual and Service Manual excerpts
Verified global market reviews and technical data from automotive databases (e.g., Edmunds, Kia official tech sheets)

Herramientas compatibles

Verify by VIN and market

Preguntas frecuentes

What engine code does the 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) use? 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) is listed here with engine code G4KH, Nu 2.4L MPI, D4HA; engine summary: 2017 Kia Optima JF generation offered with 2.4L inline-4 (G4KH, Nu MPI) in multiple markets; some diesel variants with 1.7L CRDi (D4HA) mainly in Europe..
What oil and capacity does the 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) use? 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) is listed with SAE 5W-20 or 5W-30 fully synthetic oil meeting API SN or equivalent and oil capacity Approximately 4.3 liters including filter change (service-fill estimate for 2.4L MPI). Confirm market and engine option before service.
What are common 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) problems? Highlighted checks for 2017 KIA Optima G4KH/Nu 2.4L MPI (JF): Timing chain noise on early models, Turbo lag on diesel versions (where applicable).

Engine identity

Engine code

G4KH, Nu 2.4L MPI, D4HA

Engine summary

2017 Kia Optima JF generation offered with 2.4L inline-4 (G4KH, Nu MPI) in multiple markets; some diesel variants with 1.7L CRDi (D4HA) mainly in Europe.

Displacement

2359 cc (G4KH, Nu 2.4L MPI), 1685 cc (D4HA diesel)

Power

188 hp @ 6300 rpm (2.4L MPI), approximately 141 hp (1.7L diesel)

Torque

241 Nm @ 4000 rpm (2.4L MPI), 340 Nm (1.7L diesel)

Fuel system

Multi-Point Fuel Injection (MPI) for gasoline; Common Rail Direct Injection (CRDi) for diesel

Timing drive

Timing chain

Puerto OBD

Verify by VIN and market

Oils and fluids

Tipo de aceite

SAE 5W-20 or 5W-30 fully synthetic oil meeting API SN or equivalent

Capacidad de aceite

Approximately 4.3 liters including filter change (service-fill estimate for 2.4L MPI)

Refrigerante

Approx. 7.5 liters

Fluido

ATF SP-IV or equivalent for automatic transmissions

Differential fluid

Not applicable (front-wheel drive)

Líquido de frenos

DOT 3 or DOT 4

Service and parts data

Manual transmission

6-speed manual available in some markets

Automatic transmission

6-speed automatic (conventional torque converter)

Spark plugs

Iridium tipped, NGK or equivalent recommended

Service interval

Typically every 10,000 to 15,000 km or 12 months, whichever comes first

Medidas de neumáticos

215/55R17, 235/45R18

Torque de rueda

Verify by VIN and market

Preguntas frecuentes

What engine code does the 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) use? 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) is listed here with engine code G4KH, Nu 2.4L MPI, D4HA; engine summary: 2017 Kia Optima JF generation offered with 2.4L inline-4 (G4KH, Nu MPI) in multiple markets; some diesel variants with 1.7L CRDi (D4HA) mainly in Europe..

What oil and capacity does the 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) use? 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) is listed with SAE 5W-20 or 5W-30 fully synthetic oil meeting API SN or equivalent and oil capacity Approximately 4.3 liters including filter change (service-fill estimate for 2.4L MPI). Confirm market and engine option before service.

What are common 2017 KIA Optima G4KH/Nu 2.4L MPI (JF) problems? Highlighted checks for 2017 KIA Optima G4KH/Nu 2.4L MPI (JF): Timing chain noise on early models, Turbo lag on diesel versions (where applicable).

2017 KIA Optima G4KH/Nu 2.4L MPI (JF)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Antes de cambiar piezas

Important notes

Scanning Engine...

2017 KIA Optima G4KH/Nu 2.4L MPI (JF)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Antes de cambiar piezas

Important notes