Engine code

Vehicles using CNAA engine list:

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

Recommended oil for engine CNAA 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 CNAA engine

SAE 0W-40
ACEA C3
API SN
VW 504.00
VW 507.00

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

Engine CNAA in the Audi Q7 3.0 TFSI is known for issues like carbon buildup on intake valves due to direct injection, causing rough idling and misfires. Diagnosis involves a smoke test and inspection of intake valves via a borescope. Prevention includes using high-quality fuel and periodic walnut shell blasting to clean valves. Another common problem is timing chain tensioner wear, leading to rattling noises; early detection through engine noise monitoring is key. Solutions include replacing tensioners and guides promptly. Regular oil changes with manufacturer-recommended synthetic oil help prevent sludge and prolong engine life. Addressing these issues early ensures reliability and performance.