Engine code
Vehicles using J8S-A704 engine list:
Which cars use the J8S-A704 engine and what oil to use. Common J8S-A704 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 GTX Diesel 15W-40 | |
|---|---|
| SAE 15W-40 | β |
| ACEA A3/B4 | β |
| API CK-4 | β |
| API CJ-4 and earlier | β |
| Mobil Delvac MX 15W-40 | |
|---|---|
| SAE 15W-40 | β |
| ACEA A3/B4 | β |
| API CK-4 | β |
| API CJ-4 and earlier | β |
| Cummins CES 20086 / 20081 | β |
| Volvo VDS-4.5 | β |
| Mack EOS-4.5 | β |
| Total Rubia TIR 6400 15W-40 | |
|---|---|
| SAE 15W-40 | β |
| ACEA A3/B4 | β |
| API CK-4 | β |
| API CJ-4 and earlier | β |
| MB-Approval 228.31 | β |
| MAN M3575 | β |
| Renault RLD-3 | 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 J8S-A704 engine
SAE 15W-40
ACEA A3/B3
API CF-4
NO INFO -
Most common problems, symptoms & fixes for the J8S-A704 engine.
Engine J8S-A704
Symptoms:
- Hard starting or failure to start, especially in cold conditions
- Rough idling and loss of power during acceleration
- Excessive smoke from the exhaust, typically black or blue
- Unusual engine noises such as knocking or rattling
- Increased fuel consumption and poor overall performance
Diagnosis:
- Check glow plugs for proper operation; faulty glow plugs cause cold start issues
- Inspect fuel injection pump and injectors for leaks, clogging, or wear
- Examine air filter and intake system for blockages reducing airflow
- Test compression to identify worn piston rings or valves causing power loss
- Look for signs of oil leaks or contamination indicating gasket or seal failure
Fixes:
- Replace defective glow plugs to improve cold starting reliability
- Clean or rebuild fuel injectors and injection pump to restore fuel delivery
- Change air filter regularly and clean intake ducts to ensure proper airflow
- Repair or replace worn engine components such as piston rings or valves after compression testing
- Address oil leaks by replacing gaskets, seals, or worn parts to prevent engine damage
- Regular oil and filter changes to maintain lubrication and reduce wear
Prevention:
- Follow recommended maintenance schedule for oil changes, filter replacements, and fuel system servicing
- Use quality diesel fuel and additives to keep injectors clean and prevent deposits
- Avoid prolonged idling and harsh driving to reduce engine stress
- Regularly inspect and replace glow plugs before cold seasons
- Keep air intake system clean and free from debris to ensure efficient combustion
By adhering to these diagnostic steps and maintenance practices, owners of vehicles equipped with the J8S-A704 engine can minimize common issues and maintain reliable engine performance.
Symptoms:
- Hard starting or failure to start, especially in cold conditions
- Rough idling and loss of power during acceleration
- Excessive smoke from the exhaust, typically black or blue
- Unusual engine noises such as knocking or rattling
- Increased fuel consumption and poor overall performance
Diagnosis:
- Check glow plugs for proper operation; faulty glow plugs cause cold start issues
- Inspect fuel injection pump and injectors for leaks, clogging, or wear
- Examine air filter and intake system for blockages reducing airflow
- Test compression to identify worn piston rings or valves causing power loss
- Look for signs of oil leaks or contamination indicating gasket or seal failure
Fixes:
- Replace defective glow plugs to improve cold starting reliability
- Clean or rebuild fuel injectors and injection pump to restore fuel delivery
- Change air filter regularly and clean intake ducts to ensure proper airflow
- Repair or replace worn engine components such as piston rings or valves after compression testing
- Address oil leaks by replacing gaskets, seals, or worn parts to prevent engine damage
- Regular oil and filter changes to maintain lubrication and reduce wear
Prevention:
- Follow recommended maintenance schedule for oil changes, filter replacements, and fuel system servicing
- Use quality diesel fuel and additives to keep injectors clean and prevent deposits
- Avoid prolonged idling and harsh driving to reduce engine stress
- Regularly inspect and replace glow plugs before cold seasons
- Keep air intake system clean and free from debris to ensure efficient combustion
By adhering to these diagnostic steps and maintenance practices, owners of vehicles equipped with the J8S-A704 engine can minimize common issues and maintain reliable engine performance.