Engine code

Vehicles using ALT engine list:

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

Recommended oil for engine ALT 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 ALT engine

SAE 5W-40
ACEA A3/B4
API SL
VW 502.00
VW 505.00

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

Engine ALT commonly faces issues like oil sludge buildup, timing chain tensioner wear, and ignition coil failures. Diagnosis involves checking for rough idling, misfires, or engine warning lights. Regular oil changes with high-quality synthetic oil prevent sludge formation. Inspect and replace the timing chain tensioner around 100,000 km to avoid chain stretch or failure. Ignition coils can be tested with a multimeter and replaced if faulty to resolve misfires. Additionally, ensure the PCV valve is clean to maintain proper crankcase ventilation. Timely maintenance and addressing symptoms early help prolong engine life and maintain performance in these vehicles.