Engine code

Vehicles using AFN engine list:

Which cars use the AFN engine and what oil to use. Common AFN engine faults, symptoms, diagnosis, prevention and repair.

Recommended oil for engine AFN engine.

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Questions strictly about engine codes (brand/model/engine type/production years).
Oil Specs Comparison
Castrol EDGE 5W-30 LL
Castrol EDGE 5W-30 LL
SAE 5W-30 βœ”
ACEA C3 βœ”
VW 504.00/507.00 βœ”
MB 229.31/229.51 βœ”
Porsche C30 βœ”
BMW Longlife-04 βœ”
Dexos2 βœ”
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Motul 8100 5W-30 X-Clean
Motul 8100 5W-30 X-Clean
SAE 5W-30 βœ”
ACEA C3 βœ”
VW 504.00 / 507.00 βœ”
MB 229.31 / 229.51 βœ”
Porsche C30 βœ”
BMW Longlife-04 βœ”
GM dexos2 ❌
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RAVENOL VMP 5W-30
RAVENOL VMP 5W-30
SAE 5W-30 βœ”
ACEA C3 βœ”
VW 504.00 / 507.00 βœ”
MB 229.51 βœ”
Porsche C30 βœ”
BMW Longlife-04 βœ”
GM dexos2 βœ”
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Pennzoil Platinum Euro Full Synthetic 5W-30
Pennzoil Platinum Euro Full Synthetic 5W-30
SAE 5W-30 βœ”
ACEA C3 βœ”
VW 504.00 / 507.00 βœ”
MB 229.31 / 229.51 βœ”
Porsche C30 βœ”
BMW Longlife-04 βœ”
GM dexos2 βœ”
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Oil specification key
βœ” – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
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Answer generated by AI.

Oil specifications for AFN engine

SAE 5W-40
ACEA A3/B4
API CF
VW 505.00

Most common problems, symptoms & fixes for the AFN engine.

Engine AFN is known for reliability but commonly faces EGR valve clogging, turbocharger wear, and dual-mass flywheel failures. Diagnose EGR issues by checking for rough idling and reduced power; cleaning or replacing the valve prevents buildup. Turbocharger problems manifest as loss of boost or smoke; inspect for shaft play and oil leaks, replacing worn units as needed. Dual-mass flywheel wear causes clutch judder and noise; replacement is the solution. Regular oil changes with quality oil prevent premature wear. Use fuel additives to keep injectors clean. Timely timing belt replacement (around 60,000–90,000 km) is critical to avoid catastrophic engine damage.