ENGINE COMPRESSION
| Application | Specification |
|---|---|
| Compression Ratio | 22.0:1 |
| Compression Pressure | (1) (2) |
| (1) Maximum variation between cylinders is 44 psi (3 bar). (2) Compression specification for E300 Diesel is not available. | |
| (1) | Maximum variation between cylinders is 44 psi (3 bar). |
| (2) | Compression specification for E300 Diesel is not available. |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
Valve clearance is compensated by hydraulic mechanism located within rocker arm. Adjustment is not required.
IGNITION SYSTEM
| Application | Firing Order |
|---|---|
| 3.0L Diesel | 1-5-3-6-2-4 |
FIRING ORDER
IGNITION TIMING
Note. Base ignition timing is not adjustable.
FUEL PUMP
Note. Fuel pump performance is a measurement of fuel pressure and volume availability, not regulated fuel pressure.
| Application | Pressure psi (bar) | Min. Vol. In 30 Sec. Pts. (L) |
|---|---|---|
| 3.0L Diesel | 4.4 (0.3) | .32 (.15) |
FUEL PUMP PERFORMANCE
| Application | Degrees ATDC |
|---|---|
| 3.0L Diesel | 14-16 |
DIESEL INJECTION PUMP TIMING
| Application | Psi (bar) | |
|---|---|---|
| Injector Opening Pressure | ||
| New Injector | 1668- 1784 (115-123) | |
| Used Injector | 1595 (110) | |
DIESEL INJECTOR NOZZLE PRESSURE
IDLE SPEED & MIXTURE
| Application | Idle RPM | CO Level % |
|---|---|---|
| 3.0L Diesel | (1) 580-680 | (2) |
| (1) Specification is with electronic idle speed maintaining RPM. On S350, idle speed can be adjusted for customer satisfaction. (2) Not applicable to diesel engine. | ||
| (1) | Specification is with electronic idle speed maintaining RPM. On S350, idle speed can be adjusted for customer satisfaction. |
| (2) | Not applicable to diesel engine. |
IDLE SPEED & CO LEVEL
FAST IDLE SPEED
Fast idle is controlled by the Idle Speed Control (ISC) module.