Engine code

Vehicles using AYM engine list:

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

Recommended oil for engine AYM engine.

Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
Oil Specs Comparison
Castrol EDGE 5W-40 A3/B4
Castrol EDGE 5W-40 A3/B4
ACEA A3/B4 βœ”
API SP βœ”
BMW Longlife-01 βœ”
MB 229.3 / 229.5 / 226.5 βœ”
Porsche A40 βœ”
Renault RN0700 / RN0710 βœ”
VW 502 00 / 505 00 βœ”
Chrysler MS-12991 βœ”
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Ravenol VST 5W-40
Ravenol VST 5W-40
ACEA A3/B4 βœ”
API SP βœ”
BMW Longlife-01 βœ”
MB 229.5 / 226.5 βœ”
Porsche A40 βœ”
VW 502.00 / 505.00 βœ”
Renault RN0700/0710 βœ”
Chrysler MS-12991 βœ”
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Mobil 1 FS 5W-40
Mobil 1 FS 5W-40
ACEA A3/B3/B4 βœ”
API SN/SM/CF βœ”
BMW Longlife-01 βœ”
MB 229.3 / 229.5 βœ”
Porsche A40 βœ”
VW 502.00 / 505.00 βœ”
Renault RN0700/0710 βœ”
Chrysler MS-12991 βœ”
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Liqui Moly High Tech 5W-40
Liqui Moly High Tech 5W-40
ACEA A3/B4 βœ”
API SN/CF βœ”
BMW Longlife-01 βœ”
MB 229.5 βœ”
Porsche A40 βœ”
VW 502.00 / 505.00 βœ”
Renault RN0700/0710 βœ”
Chrysler MS-12991 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 AYM engine

SAE 5W-40
ACEA A3/B4
API CI-4
VW 505.00

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

Engine AYM, found in early 2000s Audi A4, A6, and Skoda Superb 2.5 TDI V6 models, commonly faces EGR valve clogging, turbocharger wear, and injector failures. Diagnose by checking for rough idling, loss of power, or excessive smoke. Use diagnostic tools to read fault codes related to EGR and injectors. Prevent issues with regular oil changes using quality oil, timely air filter replacements, and fuel system cleaning. Solutions include cleaning or replacing the EGR valve, servicing or replacing the turbocharger, and injector testing or replacement. Maintaining cooling system health also helps avoid overheating-related damage. Regular maintenance is key to engine longevity.