Vehicles using AJP engine list:

Recommended oil for engine AJP 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✔
ACEA C3✔
VW 504.00/507.00✔
MB 229.31/229.51✔
Porsche C30✔
BMW Longlife-04✔
Dexos2✔
Motul 8100 5W‑30 X‑Clean
Motul 8100 5W‑30 X‑Clean
SAE 5W‑30✔
ACEA C3✔
VW 504.00 / 507.00✔
MB 229.31 / 229.51✔
Porsche C30✔
BMW Longlife‑04✔
GM dexos2❌
RAVENOL VMP 5W‑30
RAVENOL VMP 5W‑30
SAE 5W‑30✔
ACEA C3✔
VW 504.00 / 507.00✔
MB 229.51✔
Porsche C30✔
BMW Longlife‑04✔
GM dexos2✔
Pennzoil Platinum Euro Full Synthetic 5W‑30
Pennzoil Platinum Euro Full Synthetic 5W‑30
SAE 5W‑30✔
ACEA C3✔
VW 504.00 / 507.00✔
MB 229.31 / 229.51✔
Porsche C30✔
BMW Longlife‑04✔
GM dexos2✔
Oil specification key
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.

Answer generated by AI.

Oil specifications for AJP engine

SAE 5W-40
ACEA A3/B4
API SL
VW 502.00
VW 505.00

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

Engine AJP commonly faces issues with the timing belt and water pump, which can lead to severe engine damage if neglected. Regularly inspect and replace the timing belt every 60,000-80,000 km to prevent failure. The 20V engine is also prone to oil leaks, especially from valve cover gaskets; check and replace seals as needed. Misfires may occur due to faulty ignition coils or spark plugs—routine replacement and cleaning help maintain performance. Cooling system maintenance is crucial to avoid overheating; flush coolant and inspect hoses periodically. Addressing these areas proactively ensures engine longevity and reliability in the Audi A6 1.8 20V.