Vehicles using 3MZ-FE engine list:

Recommended oil for engine 3MZ-FE engine.

Oil Specs Comparison
Castrol Magnatec 5W‑30 A5
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
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
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
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.

Answer generated by AI.

Oil specifications for 3MZ-FE engine

SAE 5W-30
API SN
ILSAC GF-5

Most common problems, symptoms & fixes for the 3MZ-FE engine.

Engine 3MZ-FE in Lexus RX 400h models is generally reliable but can face issues like oil leaks from valve cover gaskets and intake manifold gaskets. Diagnosis involves checking for oil spots under the vehicle and inspecting gasket condition. Prevent leaks by regular maintenance and timely gasket replacement. Another common problem is carbon buildup on intake valves, causing rough idling; use fuel system cleaners or professional intake cleaning. Cooling system maintenance is crucial to prevent overheating—regularly check coolant levels and replace the thermostat if needed. Addressing these proactively ensures longevity and smooth performance of the 3MZ-FE engine in RX 400h vehicles.