Engine code
Vehicles using APX engine list:
Which cars use the APX engine and what oil to use. Common APX engine faults, symptoms, diagnosis, prevention and repair.
Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
| Castrol EDGE 5W-30 LL | |
|---|---|
| SAE 5W-30 | β |
| ACEA C3 | β |
| VW 504.00/507.00 | β |
| MB 229.31/229.51 | β |
| Porsche C30 | β |
| BMW Longlife-04 | β |
| Dexos2 | β |
| Motul 8100 5W-30 X-Clean | |
|---|---|
| SAE 5W-30 | β |
| ACEA C3 | β |
| VW 504.00 / 507.00 | β |
| MB 229.31 / 229.51 | β |
| Porsche C30 | β |
| BMW Longlife-04 | β |
| GM dexos2 | β |
| RAVENOL VMP 5W-30 | |
|---|---|
| SAE 5W-30 | β |
| ACEA C3 | β |
| VW 504.00 / 507.00 | β |
| MB 229.51 | β |
| Porsche C30 | β |
| BMW Longlife-04 | β |
| GM dexos2 | β |
| Pennzoil Platinum Euro Full Synthetic 5W-30 | |
|---|---|
| SAE 5W-30 | β |
| ACEA C3 | β |
| VW 504.00 / 507.00 | β |
| MB 229.31 / 229.51 | β |
| Porsche C30 | β |
| BMW Longlife-04 | β |
| GM dexos2 | β |
Oil specification key
β β Meets the required specification
β β Not explicitly stated (use caution; check your vehicle manual)
β β Does not meet required specification. Use may cause engine issues.
β β Meets the required specification
β β Not explicitly stated (use caution; check your vehicle manual)
β β Does not meet required specification. Use may cause engine issues.
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Answer generated by AI.
Oil specifications for APX engine
SAE 5W-40
ACEA A3/B4
API SN
VW 502.00
VW 505.00
Most common problems, symptoms & fixes for the APX engine.
Engine APX in the Audi TT 1.8 Turbo quattro (165kW) is known for issues like turbocharger wear, carbon buildup on intake valves, and coolant leaks. Diagnose turbo problems by checking for boost pressure loss and unusual noises. Prevent carbon buildup with regular intake cleaning and using quality fuel. Coolant leaks often stem from the water pump or thermostat housing; inspect and replace seals as needed. Regular oil changes with high-quality synthetic oil help prolong turbo life. Address misfires by checking ignition coils and spark plugs. Early diagnosis and maintenance can prevent costly repairs and ensure reliable performance.