2002 HYUNDAI Sonata G4JP/G6BA (EF)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing belt requires replacement at recommended intervals to avoid engine damage
• V6 model may experience intake manifold gasket wear
• Rust issues in some regions depending on climate

First checks

• Timing belt condition and replacement history
• Cooling system pressure test
• Transmission fluid level and condition

Vor dem Teiletausch

• 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

• Exact power output may vary with market-spec emission controls
• Used same EF chassis code from 1998-2005 with minor updates during generation