Vehicles using 138B3.000 engine list:
Recommended oil for engine 138B3.000 engine.
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Questions strictly about engine codes (brand/model/engine type/production years).
| Castrol GTX 15W‑40 A3/B3 | |
|---|---|
| ACEA A3/B3 | ✔ |
| API SP (or SN) | ✔ |
| VW 501.01 / 505.00 | ✔ |
| MB‑Approval 229.1 | ✔ |
| Fiat 9.55535‑D2 | ✔ |
| Shell Helix HX5/6 15W‑40 | |
|---|---|
| ACEA A3/B3 | ✔ |
| API SN | ✔ |
| VW 501.01 / 505.00 | ✔ |
| MB‑Approval 229.1 | ✔ |
| Fiat 9.55535‑D2 | ✔ |
| Total Quartz 7000 15W‑40 | |
|---|---|
| ACEA A3/B3 | ✔ |
| API SP | ✔ |
| VW 501.01 / 505.00 | ✔ |
| MB‑Approval 229.1 | ✔ |
| Fiat 9.55535‑D2 | ✔ |
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.
Answer generated by AI.
Oil specifications for 138B3.000 engine
NO INFO -
Most common problems, symptoms & fixes for the 138B3.000 engine.
Engine 138B3.000 in the Fiat Regata 85-85S 1500 is known for occasional carburetor clogging and ignition timing drift. Diagnose by checking for rough idling, poor acceleration, or hard starts. Prevent issues with regular carburetor cleaning and timely replacement of spark plugs and ignition components. Ensure the timing belt is inspected every 60,000 km to avoid timing issues. Use quality fuel and maintain the cooling system to prevent overheating. If symptoms persist, inspect the distributor and vacuum lines for leaks. Proper maintenance extends engine life and improves reliability in these classic Fiat models.