Engine code
Vehicles using UBJA engine list:
Which cars use the UBJA engine and what oil to use. Common UBJA 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 Magnatec 5W‑30 A5 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA A1/B1 / A5/B5 | ✔ |
| API SN/CF | ✔ |
| ILSAC GF‑4 / GF‑5 | ✔ |
| Ford WSS‑M2C913‑A / B / C / D | ✔ |
| Liqui Moly Special Tec F 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA A5/B5 | ✔ |
| API SN | ✔ |
| ILSAC GF‑5 | ✔ |
| Ford WSS‑M2C913‑A / B / C / D | ✔ |
| Mobil Super 3000 Formula F 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA A1/B1 / A5/B5 | ✔ |
| API SN | ✔ |
| ILSAC GF‑5 | ✔ |
| Ford WSS‑M2C913‑A / B / C / D | ✔ |
| MPM 05000F 5W‑30 Premium Synthetic Ford | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA A5/B5 | ✔ |
| API SN | ✔ |
| ILSAC GF‑4 / GF‑5 | ✔ |
| Ford WSS‑M2C913‑A / B / C / D | ✔ |
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 UBJA engine
ACEA C3
API CI-4+
VW 505.01
Most common problems, symptoms & fixes for the UBJA engine.
Engine UBJA commonly faces issues such as EGR valve clogging, turbocharger wear, and DPF (Diesel Particulate Filter) blockages. For diagnosis, monitor for warning lights, loss of power, or excessive smoke. Use an OBD-II scanner to check fault codes related to EGR and turbo systems. Prevention includes regular oil changes with quality oil, using low-sulfur diesel, and avoiding frequent short trips to help DPF regeneration. Solutions involve cleaning or replacing the EGR valve, servicing or replacing the turbocharger if worn, and performing forced DPF regeneration or replacement if blocked. Timely maintenance ensures engine longevity and performance.