Vehicles using DHXC engine list:

Recommended oil for engine DHXC 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 LL
Castrol EDGE 5W-30 LL
SAE 5W-30✔
ACEA C3✔
VW 504.00/507.00✔
MB 229.31/229.51✔
Porsche C30✔
BMW Longlife-04✔
Dexos2✔
Motul 8100 5W‑30 X‑Clean
Motul 8100 5W‑30 X‑Clean
SAE 5W‑30✔
ACEA C3✔
VW 504.00 / 507.00✔
MB 229.31 / 229.51✔
Porsche C30✔
BMW Longlife‑04✔
GM dexos2❌
RAVENOL VMP 5W‑30
RAVENOL VMP 5W‑30
SAE 5W‑30✔
ACEA C3✔
VW 504.00 / 507.00✔
MB 229.51✔
Porsche C30✔
BMW Longlife‑04✔
GM dexos2✔
Pennzoil Platinum Euro Full Synthetic 5W‑30
Pennzoil Platinum Euro Full Synthetic 5W‑30
SAE 5W‑30✔
ACEA C3✔
VW 504.00 / 507.00✔
MB 229.31 / 229.51✔
Porsche C30✔
BMW Longlife‑04✔
GM dexos2✔
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 DHXC engine

SAE 0W-30
ACEA C3
API SN
VW 507.00
BMW Longlife-04

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

Engine DHXC, found in Audi Q7 and Q8 45 TDI quattro (2018–2020), commonly faces issues like EGR valve clogging, turbocharger wear, and diesel particulate filter (DPF) blockages. For diagnosis, monitor for loss of power, increased fuel consumption, or warning lights. Use diagnostic tools to check fault codes related to the turbo and EGR system. Preventive measures include regular oil changes with manufacturer-approved oil, timely DPF regeneration drives, and using high-quality diesel fuel. Solutions involve cleaning or replacing the EGR valve, servicing or replacing the turbocharger if worn, and performing forced DPF regeneration or replacement if severely clogged. Regular maintenance is key to longevity.