Engine code
Vehicles using CMAA engine list:
Which cars use the CMAA engine and what oil to use. Common CMAA engine faults, symptoms, diagnosis, prevention and repair.
Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
| 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 | |
|---|---|
| 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 | |
|---|---|
| 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 | |
|---|---|
| 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.
✔ – 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 CMAA engine
SAE 5W-40
ACEA A3/B4
VW 502.00
VW 505.00
Most common problems, symptoms & fixes for the CMAA engine.
Engine CMAA
Symptoms:
- Rough idling and hesitation during acceleration
- Increased fuel consumption and reduced performance
- Check Engine Light (CEL) illumination
- Occasional misfires or stalling, especially when cold
- Difficulty starting the engine or uneven running on bi-fuel mode
Diagnosis:
- Scan for fault codes related to ignition coils, fuel injectors, or oxygen sensors
- Inspect spark plugs and ignition coils for wear or damage
- Check the condition and operation of the bi-fuel system components, including gas injectors and pressure regulators
- Perform a compression test to rule out mechanical issues
- Verify proper operation of the mass airflow sensor (MAF) and throttle body
- Examine vacuum lines and intake manifold for leaks
Fixes:
- Replace worn or faulty spark plugs and ignition coils to restore proper ignition
- Clean or replace clogged fuel injectors, especially in the bi-fuel system
- Repair or replace malfunctioning oxygen sensors to ensure correct fuel mixture
- Address any vacuum leaks by replacing damaged hoses or gaskets
- Service or replace the MAF sensor if readings are erratic or out of range
- Reset the engine control unit (ECU) after repairs to clear fault codes and adapt to new components
- Regularly maintain the bi-fuel system, including gas filters and pressure regulators, to prevent fuel delivery issues
Prevention:
- Follow the manufacturer’s recommended service intervals for spark plugs, ignition components, and fuel filters
- Use high-quality fuel and bi-fuel system additives to keep injectors clean
- Regularly inspect and maintain the bi-fuel system to avoid contamination or pressure problems
- Avoid prolonged idling and aggressive driving to reduce engine stress
- Keep the engine bay clean to prevent dirt and moisture from affecting sensors and electrical connections
- Schedule periodic diagnostic checks to catch early signs of component wear or failure
-NO INFO-
Symptoms:
- Rough idling and hesitation during acceleration
- Increased fuel consumption and reduced performance
- Check Engine Light (CEL) illumination
- Occasional misfires or stalling, especially when cold
- Difficulty starting the engine or uneven running on bi-fuel mode
Diagnosis:
- Scan for fault codes related to ignition coils, fuel injectors, or oxygen sensors
- Inspect spark plugs and ignition coils for wear or damage
- Check the condition and operation of the bi-fuel system components, including gas injectors and pressure regulators
- Perform a compression test to rule out mechanical issues
- Verify proper operation of the mass airflow sensor (MAF) and throttle body
- Examine vacuum lines and intake manifold for leaks
Fixes:
- Replace worn or faulty spark plugs and ignition coils to restore proper ignition
- Clean or replace clogged fuel injectors, especially in the bi-fuel system
- Repair or replace malfunctioning oxygen sensors to ensure correct fuel mixture
- Address any vacuum leaks by replacing damaged hoses or gaskets
- Service or replace the MAF sensor if readings are erratic or out of range
- Reset the engine control unit (ECU) after repairs to clear fault codes and adapt to new components
- Regularly maintain the bi-fuel system, including gas filters and pressure regulators, to prevent fuel delivery issues
Prevention:
- Follow the manufacturer’s recommended service intervals for spark plugs, ignition components, and fuel filters
- Use high-quality fuel and bi-fuel system additives to keep injectors clean
- Regularly inspect and maintain the bi-fuel system to avoid contamination or pressure problems
- Avoid prolonged idling and aggressive driving to reduce engine stress
- Keep the engine bay clean to prevent dirt and moisture from affecting sensors and electrical connections
- Schedule periodic diagnostic checks to catch early signs of component wear or failure
-NO INFO-