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 MANUALSHYUNDAI2009SONATA SE, 3.3 FREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM (FUEL SYSTEM) - 3.3LENGINE CONTROL MODULE (ECM)REPLACEMENT
2009 Hyundai Sonata SE, 3.3 F
Engine Control Module (ECM): Replacement
2009 Hyundai Sonata SE, 3.3 FSECTION Replacement
- Turn ignition switch off.
- Disconnect the battery (-) cable from the battery.
- Disconnect the ECM connectors (A).
- Unscrew the ECM mounting bolts (B) and remove the ECM from the air cleaner assembly.
- Install new ECM
ECM installation bolts : 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
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.