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 MANUALSHYUNDAI2017SONATA PLUG-IN HYBRIDREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL DELIVERY SYSTEM (PHEV)
2017 Hyundai Sonata Plug-In Hybrid
Fuel Delivery System (PHEV)
2017 Hyundai Sonata Plug-In HybridSECTION Fuel Delivery System (PHEV)
- Components and Components Location
- Repair Procedures
- Fuel Tank
- Fuel Pump
- Fuel Filter
- Fuel Pump Motor
- Fuel Sender
- Fuel Pressure Regulator
- Fuel Tank Isolation Valve (FTIV)
- Fuel Line
- Filler-Neck Assembly
- Accelerator Pedal
- Fuel Pump Control Module (FPCM)
- Fuel Pressure Sensor (FPS)
- Delivery Pipe
- High Pressure Fuel Pump
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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.