Engine code

Vehicles using Y9DA engine list:

Which cars use the Y9DA engine and what oil to use. Common Y9DA engine faults, symptoms, diagnosis, prevention and repair.

Recommended oil for engine Y9DA engine.

Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
Oil Specs Comparison
Castrol EDGE 5W-30 C3
Castrol EDGE 5W-30 C3
ACEA C3 βœ”
API SN/CF βœ”
VW 505.00 / 505.01 βœ”
MB 229.31 / 229.51 βœ”
Dexos2 βœ”
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Mobil 1 ESP Formula 5W-30
Mobil 1 ESP Formula 5W-30
ACEA C3 βœ”
API SN/CF βœ”
VW 505.00 / 505.01 βœ”
MB 229.31 / 229.51 βœ”
GM dexos2 βœ”
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Liqui Moly Top Tec 4600 5W-30
Liqui Moly Top Tec 4600 5W-30
ACEA C3 βœ”
API SN/CF βœ”
VW 505.00 / 505.01 βœ”
MB 229.31 / 229.51 βœ”
GM dexos2 βœ”
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Sunoco Ultra Full Synthetic Euro 5W-30
Sunoco Ultra Full Synthetic Euro 5W-30
ACEA C3 βœ”
API SN/CF βœ”
VW 505.00 / 505.01 βœ”
MB 229.31 / 229.51 βœ”
GM dexos2 βœ”
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Oil specification key
βœ” – 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 Y9DA engine

SAE 0W-30
ACEA C2
API SN
WSS-M2C950-A

Most common problems, symptoms & fixes for the Y9DA engine.

Engine Y9DA, found in the Ford Focus 1.5 EcoBlue (85kW) 2022 onwards, is generally reliable but can face issues like EGR valve clogging, turbocharger wear, and DPF (Diesel Particulate Filter) blockages. For diagnosis, monitor warning lights and perform OBD-II scans for error codes related to emissions and turbo performance. Prevention includes regular oil changes with manufacturer-recommended oil, using quality diesel fuel, and periodic long drives to help DPF regeneration. Solutions involve cleaning or replacing the EGR valve, servicing or replacing the turbocharger if performance drops, and performing forced DPF regeneration or replacement if clogged. Regular maintenance is key to longevity.