Vehicles using MA1.21 engine list:
- PORSCHE - Cayman S (235kW) 2009–2012
- PORSCHE - Boxster S (228kW) 2009–2012
- PORSCHE - Boxster Spyder (235kW) 2010–2012
- PORSCHE - Cayman R (243kW) 2011–2012
Recommended oil for engine MA1.21 engine.
| Castrol EDGE 0W-40 A3/B4 | |
|---|---|
| ACEA A3/B4 | ✔ |
| API SP | ✔ |
| BMW Longlife-01 | ✔ |
| MB 229.5 | ✔ |
| Porsche A40 | ✔ |
| Renault RN0700/0710 | ✔ |
| VW 502 00/505 00 | ✔ |
| Ford WSS-M2C937-A | ✔ |
| Motul 8100 X‑Max 0W‑40 | |
|---|---|
| ACEA A3/B4 | ✔ |
| API SP | ✔ |
| BMW Longlife‑01 | ✔ |
| MB 229.5 | ✔ |
| Porsche A40 | ✔ |
| VW 502 00 / 505 00 | ✔ |
| Renault RN0700/0710 | ✔ |
| Ford WSS‑M2C937‑A | ✔ |
| Total Quartz 9000 Energy 0W‑40 | |
|---|---|
| ACEA A3/B4 | ✔ |
| API SP | ✔ |
| BMW Longlife‑01 | ✔ |
| MB 229.5 | ✔ |
| Porsche A40 | ✔ |
| VW 502 00 / 505 00 | ✔ |
| Renault RN0700/0710 | ✔ |
| Ford WSS‑M2C937‑A | ✔ |
| Petronas Syntium 7000 0W‑40 | |
|---|---|
| ACEA A3/B4 | ✔ |
| API SP | ✔ |
| BMW Longlife‑01 | ✔ |
| MB 229.5 | ✔ |
| Porsche A40 | ✔ |
| VW 502 00 / 505 00 | ✔ |
| Renault RN0700/0710 | ✔ |
| Ford WSS‑M2C937‑A | ✔ |
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.
✔ – 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 MA1.21 engine
SAE 0W-40
ACEA A3/B4
API SN
Porsche A40
Most common problems, symptoms & fixes for the MA1.21 engine.
Engine MA1.21
Symptoms:
- Rough idling or misfires during acceleration
- Oil leaks around the valve cover gasket or camshaft seals
- Excessive oil consumption
- Check Engine Light (CEL) illumination, often related to misfire or emissions codes
- Reduced engine performance or hesitation
Diagnosis:
- Inspect ignition coils and spark plugs for wear or damage, as these engines are prone to coil pack failures causing misfires
- Check for oil leaks around valve cover gaskets and camshaft seals, common wear points on the MA1.21 engine
- Perform a compression test to rule out internal engine wear or valve issues
- Scan for diagnostic trouble codes (DTCs) to identify misfire cylinders or sensor faults
- Inspect the PCV (Positive Crankcase Ventilation) system for clogging or malfunction, which can cause rough running and oil consumption
Fixes:
- Replace faulty ignition coils and worn spark plugs to resolve misfires and rough running
- Renew valve cover gaskets and camshaft seals to stop oil leaks; use high-quality gaskets and proper torque specifications
- Clean or replace the PCV valve and associated hoses to restore proper crankcase ventilation
- Address any detected sensor faults or wiring issues found during diagnostics
- If compression is low, further engine inspection or overhaul may be necessary, though this is less common
Prevention:
- Follow the manufacturer’s recommended maintenance schedule for spark plug and ignition coil replacement intervals
- Regularly check and maintain proper oil levels using the specified oil grade to prevent premature wear
- Inspect valve cover gaskets and seals during routine services to catch leaks early
- Keep the PCV system clean and functional to avoid pressure buildup and oil consumption
- Use quality parts and fluids to ensure engine longevity and reliability
By adhering to these diagnostic and maintenance practices, owners of Porsche Cayman S, Boxster S, Boxster Spyder, and Cayman R models equipped with the MA1.21 engine can minimize common issues and maintain optimal engine performance.
Symptoms:
- Rough idling or misfires during acceleration
- Oil leaks around the valve cover gasket or camshaft seals
- Excessive oil consumption
- Check Engine Light (CEL) illumination, often related to misfire or emissions codes
- Reduced engine performance or hesitation
Diagnosis:
- Inspect ignition coils and spark plugs for wear or damage, as these engines are prone to coil pack failures causing misfires
- Check for oil leaks around valve cover gaskets and camshaft seals, common wear points on the MA1.21 engine
- Perform a compression test to rule out internal engine wear or valve issues
- Scan for diagnostic trouble codes (DTCs) to identify misfire cylinders or sensor faults
- Inspect the PCV (Positive Crankcase Ventilation) system for clogging or malfunction, which can cause rough running and oil consumption
Fixes:
- Replace faulty ignition coils and worn spark plugs to resolve misfires and rough running
- Renew valve cover gaskets and camshaft seals to stop oil leaks; use high-quality gaskets and proper torque specifications
- Clean or replace the PCV valve and associated hoses to restore proper crankcase ventilation
- Address any detected sensor faults or wiring issues found during diagnostics
- If compression is low, further engine inspection or overhaul may be necessary, though this is less common
Prevention:
- Follow the manufacturer’s recommended maintenance schedule for spark plug and ignition coil replacement intervals
- Regularly check and maintain proper oil levels using the specified oil grade to prevent premature wear
- Inspect valve cover gaskets and seals during routine services to catch leaks early
- Keep the PCV system clean and functional to avoid pressure buildup and oil consumption
- Use quality parts and fluids to ensure engine longevity and reliability
By adhering to these diagnostic and maintenance practices, owners of Porsche Cayman S, Boxster S, Boxster Spyder, and Cayman R models equipped with the MA1.21 engine can minimize common issues and maintain optimal engine performance.