Engine code

Vehicles using CHJA engine list:

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

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

SAE 0W-20
ACEA C5
API SN
VW 508.00
VW 509.00

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

Engine CHJA commonly faces issues like carbon buildup on intake valves due to direct injection, causing rough idling and reduced performance. Diagnosis involves inspecting intake valves via endoscopy or using a misfire code scan. Prevention includes using high-quality fuel and periodic walnut shell blasting to clean valves. Another concern is the timing chain tensioner wear, leading to rattling noises; early diagnosis requires listening for unusual engine sounds and checking for timing chain codes. Regular oil changes with manufacturer-recommended synthetic oil help prevent tensioner failure. Addressing these promptly ensures engine longevity and optimal hybrid system performance in the Audi A6 and A8 Hybrid models.