Engine code
Vehicles using 2WW engine list:
Which cars use the 2WW engine and what oil to use. Common 2WW engine faults, symptoms, diagnosis, prevention and repair.
Recommended oil for engine 2WW engine.
Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
| Castrol MAGNATEC 5W‑30 C3 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| API SN/CF | ✔ |
| BMW Longlife‑04 | ✔ |
| MB‑Approval 226.5 / 229.31 / 229.51 / 229.52 | ✔ |
| Opel OV 0401547‑D30 / G30 | ✔ |
| Fiat 9.55535‑S3 | ✔ |
| Renault RN0700 / RN0710 | ✔ |
| VW 505.00 / 505.01 | ✔ |
| dexos2 | ✔ |
| Liqui‑Moly Chrome C3 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| API SN/CF | ✔ |
| BMW Longlife‑04 | ❌ |
| MB‑Approval 226.5 / 229.31 / 229.51 / 229.52 | ✔ |
| Opel OV 0401547‑D30 / G30 | ✔ |
| Fiat 9.55535‑S3 | ✔ |
| Renault RN0700 / RN0710 | ✔ |
| VW 505.00 / 505.01 | ✔ |
| dexos2 | ✔ |
| Ridex Plus Active Energy C2/C3 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| API SN/CF | ✔ |
| BMW Longlife‑04 | ✔ |
| MB‑Approval 226.5 / 229.31 / 229.51 / 229.52 | ✔ |
| Opel OV 0401547‑D30 / G30 | ✔ |
| Fiat 9.55535‑S3 | ❌ |
| Renault RN0700 / RN0710 | ✔ |
| VW 505.00 / 505.01 | ✔ |
| dexos2 | ✔ |
| Shell Helix Ultra ECT C3 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| API SN/CF | ✔ |
| BMW Longlife‑04 | ✔ |
| MB‑Approval 226.5 / 229.31 / 229.51 / 229.52 | ✔ |
| Opel OV 0401547‑D30 / G30 | ✔ |
| Fiat 9.55535‑S3 | ✔ |
| Renault RN0700 / RN0710 | ✔ |
| VW 505.00 / 505.01 | ✔ |
| 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.
✔ – 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 2WW engine
ACEA C2
SAE 0W-30
VW 507.00
Most common problems, symptoms & fixes for the 2WW engine.
Engine 2WW
Symptoms:
- Rough idling and occasional stalling
- Loss of power under acceleration
- Increased fuel consumption
- Check Engine Light (CEL) illumination
- Excessive smoke from the exhaust, particularly black smoke
Diagnosis:
- Inspect and test the diesel particulate filter (DPF) for clogging or damage
- Check for EGR (Exhaust Gas Recirculation) valve malfunction or carbon buildup
- Scan for fault codes related to fuel injectors, turbocharger, or sensors (MAF, MAP)
- Examine the turbocharger for signs of wear or boost leaks
- Test the fuel system for injector leaks or poor spray patterns
Fixes:
- Perform a forced DPF regeneration or replace the DPF if severely clogged
- Clean or replace the EGR valve to restore proper exhaust gas flow
- Replace faulty fuel injectors or repair wiring/connectors as needed
- Repair or replace the turbocharger if damaged; fix any boost leaks
- Regularly change engine oil and use manufacturer-recommended fuel additives to maintain injector cleanliness
Prevention:
- Use high-quality diesel fuel and adhere to recommended oil change intervals
- Avoid frequent short trips that prevent the DPF from reaching regeneration temperature
- Periodically drive at higher RPMs to facilitate DPF regeneration
- Schedule regular maintenance checks focusing on the EGR system and turbocharger condition
- Address any warning lights promptly to prevent escalation of issues
By following these diagnostic steps and maintenance practices, owners of Toyota Avensis and RAV4 models equipped with the 2WW engine can minimize common issues and ensure reliable engine performance.
Symptoms:
- Rough idling and occasional stalling
- Loss of power under acceleration
- Increased fuel consumption
- Check Engine Light (CEL) illumination
- Excessive smoke from the exhaust, particularly black smoke
Diagnosis:
- Inspect and test the diesel particulate filter (DPF) for clogging or damage
- Check for EGR (Exhaust Gas Recirculation) valve malfunction or carbon buildup
- Scan for fault codes related to fuel injectors, turbocharger, or sensors (MAF, MAP)
- Examine the turbocharger for signs of wear or boost leaks
- Test the fuel system for injector leaks or poor spray patterns
Fixes:
- Perform a forced DPF regeneration or replace the DPF if severely clogged
- Clean or replace the EGR valve to restore proper exhaust gas flow
- Replace faulty fuel injectors or repair wiring/connectors as needed
- Repair or replace the turbocharger if damaged; fix any boost leaks
- Regularly change engine oil and use manufacturer-recommended fuel additives to maintain injector cleanliness
Prevention:
- Use high-quality diesel fuel and adhere to recommended oil change intervals
- Avoid frequent short trips that prevent the DPF from reaching regeneration temperature
- Periodically drive at higher RPMs to facilitate DPF regeneration
- Schedule regular maintenance checks focusing on the EGR system and turbocharger condition
- Address any warning lights promptly to prevent escalation of issues
By following these diagnostic steps and maintenance practices, owners of Toyota Avensis and RAV4 models equipped with the 2WW engine can minimize common issues and ensure reliable engine performance.