Engine code

Vehicles using CREC engine list:

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

Recommended oil for engine CREC 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 CREC engine

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

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

Engine CREC in Audi A6 Allroad and Q7 3.0 TFSI models is known for occasional issues like carbon buildup on intake valves due to direct injection, causing rough idling and reduced performance. Diagnosis involves a smoke test and inspection of intake valves. Prevention includes using high-quality fuel and periodic walnut blasting to clean valves. Another common problem is oil consumption linked to piston ring wear; monitoring oil levels regularly helps early detection. Solutions include valve cleaning, software updates for engine management, and, if severe, piston ring replacement. Regular maintenance and timely oil changes are crucial to prolong engine life and reliability.