Engine code
Vehicles using CFNA engine list:
Which cars use the CFNA engine and what oil to use. Common CFNA engine faults, symptoms, diagnosis, prevention and repair.
- SEAT - Toledo 1.6 SRE (77kW) 2012β2015
- SKODA - Fabia II 1.6 16V (77kW) 2010β2015
- SKODA - Roomster 1.6 16V (77kW) 2010β2015
- SKODA - Rapid 1.6 MPI (77kW) 2012β2019
Recommended oil for engine CFNA engine.
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 | β |
| ACEA C3 | β |
| VW 504.00/507.00 | β |
| MB 229.31/229.51 | β |
| Porsche C30 | β |
| BMW Longlife-04 | β |
| Dexos2 | β |
| Motul 8100 5W-30 X-Clean | |
|---|---|
| SAE 5W-30 | β |
| ACEA C3 | β |
| VW 504.00 / 507.00 | β |
| MB 229.31 / 229.51 | β |
| Porsche C30 | β |
| BMW Longlife-04 | β |
| GM dexos2 | β |
| RAVENOL VMP 5W-30 | |
|---|---|
| SAE 5W-30 | β |
| ACEA C3 | β |
| VW 504.00 / 507.00 | β |
| MB 229.51 | β |
| Porsche C30 | β |
| BMW Longlife-04 | β |
| GM dexos2 | β |
| Pennzoil Platinum Euro Full Synthetic 5W-30 | |
|---|---|
| SAE 5W-30 | β |
| ACEA C3 | β |
| VW 504.00 / 507.00 | β |
| MB 229.31 / 229.51 | β |
| Porsche C30 | β |
| BMW Longlife-04 | β |
| GM dexos2 | β |
Oil specification key
β β Meets the required specification
β β Not explicitly stated (use caution; check your vehicle manual)
β β Does not meet required specification. Use may cause engine issues.
β β Meets the required specification
β β Not explicitly stated (use caution; check your vehicle manual)
β β Does not meet required specification. Use may cause engine issues.
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Answer generated by AI.
Oil specifications for CFNA engine
SAE 5W-40
ACEA A3/B4
API SN
VW 502.00
VW 505.00
Most common problems, symptoms & fixes for the CFNA engine.
Engine CFNA
Symptoms:
- Rough idling and occasional stalling
- Reduced engine power and hesitation during acceleration
- Increased fuel consumption
- Check Engine Light (CEL) illumination with related fault codes
- Occasional misfires or uneven running
Diagnosis:
- Inspect ignition coils and spark plugs for wear or damage, as these are common failure points
- Perform a compression test to check for cylinder sealing issues
- Scan for fault codes related to misfires, oxygen sensors, or fuel system irregularities
- Check for vacuum leaks around intake manifold and hoses
- Examine the throttle body and idle control valve for carbon buildup affecting airflow
Fixes:
- Replace worn or faulty spark plugs and ignition coils to restore proper combustion
- Clean or replace the throttle body and idle control valve to improve idle stability
- Repair any vacuum leaks by replacing cracked hoses or gaskets
- Address any detected sensor faults by replacing oxygen sensors or mass airflow sensors as needed
- If compression issues are found, investigate potential valve or piston ring wear and perform necessary engine repairs
Prevention:
- Follow regular maintenance schedules, including timely spark plug and ignition coil replacement
- Use quality fuel and perform periodic fuel system cleaning to prevent deposits
- Regularly inspect and replace air filters to ensure proper airflow
- Keep the throttle body clean to avoid idle and performance issues
- Address any engine warning lights promptly to prevent further damage
These practical steps apply to the Seat Toledo 1.6 SRE (2012β2015), Skoda Fabia II 1.6 16V (2010β2015), Skoda Roomster 1.6 16V (2010β2015), and Skoda Rapid 1.6 MPI (2012β2019) equipped with the CFNA engine.
Symptoms:
- Rough idling and occasional stalling
- Reduced engine power and hesitation during acceleration
- Increased fuel consumption
- Check Engine Light (CEL) illumination with related fault codes
- Occasional misfires or uneven running
Diagnosis:
- Inspect ignition coils and spark plugs for wear or damage, as these are common failure points
- Perform a compression test to check for cylinder sealing issues
- Scan for fault codes related to misfires, oxygen sensors, or fuel system irregularities
- Check for vacuum leaks around intake manifold and hoses
- Examine the throttle body and idle control valve for carbon buildup affecting airflow
Fixes:
- Replace worn or faulty spark plugs and ignition coils to restore proper combustion
- Clean or replace the throttle body and idle control valve to improve idle stability
- Repair any vacuum leaks by replacing cracked hoses or gaskets
- Address any detected sensor faults by replacing oxygen sensors or mass airflow sensors as needed
- If compression issues are found, investigate potential valve or piston ring wear and perform necessary engine repairs
Prevention:
- Follow regular maintenance schedules, including timely spark plug and ignition coil replacement
- Use quality fuel and perform periodic fuel system cleaning to prevent deposits
- Regularly inspect and replace air filters to ensure proper airflow
- Keep the throttle body clean to avoid idle and performance issues
- Address any engine warning lights promptly to prevent further damage
These practical steps apply to the Seat Toledo 1.6 SRE (2012β2015), Skoda Fabia II 1.6 16V (2010β2015), Skoda Roomster 1.6 16V (2010β2015), and Skoda Rapid 1.6 MPI (2012β2019) equipped with the CFNA engine.