Engine code

Vehicles using Tau engine list:

Which cars use the Tau engine and what oil to use. Common Tau engine faults, symptoms, diagnosis, prevention and repair.

Recommended oil for engine Tau engine.

Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
Oil Specs Comparison
Castrol MAGNATEC 5W‑40 A3/B4
Castrol MAGNATEC 5W‑40 A3/B4
ACEA A3/B4
API SP
MB‑Approval 226.5 / 229.5
Renault RN 0700 / RN 0710
VW 502 00 / 505 00
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Mobil Super 3000 X1 5W‑40
Mobil Super 3000 X1 5W‑40
ACEA A3/B4
API SP
MB‑Approval 226.5 / 229.5
Renault RN 0700 / RN 0710
VW 502 00 / 505 00
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Elf Evolution 900 NF 5W‑40
Elf Evolution 900 NF 5W‑40
ACEA A3/B4
API SP
MB‑Approval 226.5 / 229.5
Renault RN 0700 / RN 0710
VW 502 00 / 505 00
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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.
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Answer generated by AI.

Oil specifications for Tau engine

SAE 5W-30
API SN
ILSAC GF-5

Most common problems, symptoms & fixes for the Tau engine.

Engine Tau in Hyundai Equus/Centennial 4.6 V8 MPI (2010–2013) commonly faces issues like timing chain wear, oil consumption, and ignition coil failures. For diagnosis, listen for rattling noises indicating timing chain stretch and monitor oil levels frequently. Preventive maintenance includes regular oil changes with recommended synthetic oil to reduce wear and timely replacement of ignition coils to avoid misfires. If oil consumption is high, inspect valve seals and piston rings. Solutions involve replacing the timing chain and guides if worn, renewing ignition coils, and addressing oil leaks promptly. Keeping the cooling system in good condition also prevents overheating-related damage.