Engine code

Vehicles using CDLC engine list:

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

Recommended oil for engine CDLC engine.

Ask AI about any Engine code
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 CDLC engine

SAE 5W-40
ACEA A3/B4
API SN
VW 502.00
VW 505.01

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

Engine CDLC in Audi S3 2.0 TFSI quattro and VW Golf VI 2.0 TSI R commonly faces carbon buildup on intake valves due to direct injection. Diagnose via rough idling, misfires, or loss of power. Prevention includes using high-quality fuel and periodic walnut blasting to clean valves. Timing chain tensioner wear can cause rattling noises; inspect and replace tensioners as needed. Coolant leaks from water pump seals are also reported; monitor coolant levels and replace the pump proactively. Regular oil changes with manufacturer-recommended synthetic oil help maintain engine health. Addressing these issues early ensures reliability and performance.