Vehicles using S4PE engine list:
- PROTON - GEN-2 / Persona 1.3 (70kW) 2004–2025
- PROTON - Satria Neo 1.3 (70kW) 2006–2025
- PROTON - Saga 1.3 (70kW) 2008–2025
Recommended oil for engine S4PE engine.
Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
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 S4PE engine
SAE 5W-30
API SL
API SM
API SN
Most common problems, symptoms & fixes for the S4PE engine.
Engine S4PE
Symptoms:
- Rough idling and engine misfires
- Reduced power and poor acceleration
- Increased fuel consumption
- Engine warning light illumination
- Occasional stalling, especially at low speeds
Diagnosis:
- Check for faulty ignition coils or spark plugs causing misfires
- Inspect fuel injectors for clogging or leaks
- Test the mass airflow sensor (MAF) and throttle position sensor (TPS) for proper operation
- Examine the intake manifold and vacuum lines for leaks
- Scan the engine control unit (ECU) for stored fault codes related to fuel or ignition systems
Fixes:
- Replace worn or fouled spark plugs and faulty ignition coils to restore proper combustion
- Clean or replace clogged fuel injectors to ensure correct fuel delivery
- Clean or replace malfunctioning sensors such as MAF or TPS to improve engine response
- Repair any vacuum leaks by replacing damaged hoses or gaskets
- Reset ECU fault codes after repairs and perform a test drive to confirm issue resolution
Prevention:
- Regularly service the ignition system by inspecting and replacing spark plugs and coils as per manufacturer recommendations
- Use quality fuel and periodically add fuel system cleaners to prevent injector clogging
- Maintain air intake system cleanliness by replacing air filters on schedule
- Perform routine diagnostic scans to detect early sensor or system faults
- Avoid prolonged idling and aggressive driving to reduce engine stress and wear
By following these diagnostic steps and maintenance practices, owners of vehicles equipped with the S4PE engine can minimize common issues and ensure reliable engine performance.
Symptoms:
- Rough idling and engine misfires
- Reduced power and poor acceleration
- Increased fuel consumption
- Engine warning light illumination
- Occasional stalling, especially at low speeds
Diagnosis:
- Check for faulty ignition coils or spark plugs causing misfires
- Inspect fuel injectors for clogging or leaks
- Test the mass airflow sensor (MAF) and throttle position sensor (TPS) for proper operation
- Examine the intake manifold and vacuum lines for leaks
- Scan the engine control unit (ECU) for stored fault codes related to fuel or ignition systems
Fixes:
- Replace worn or fouled spark plugs and faulty ignition coils to restore proper combustion
- Clean or replace clogged fuel injectors to ensure correct fuel delivery
- Clean or replace malfunctioning sensors such as MAF or TPS to improve engine response
- Repair any vacuum leaks by replacing damaged hoses or gaskets
- Reset ECU fault codes after repairs and perform a test drive to confirm issue resolution
Prevention:
- Regularly service the ignition system by inspecting and replacing spark plugs and coils as per manufacturer recommendations
- Use quality fuel and periodically add fuel system cleaners to prevent injector clogging
- Maintain air intake system cleanliness by replacing air filters on schedule
- Perform routine diagnostic scans to detect early sensor or system faults
- Avoid prolonged idling and aggressive driving to reduce engine stress and wear
By following these diagnostic steps and maintenance practices, owners of vehicles equipped with the S4PE engine can minimize common issues and ensure reliable engine performance.