Fuel Injector Balance Test with Special Tool: Notes
Callouts For Fig 1
| Callout | Component Name |
|---|---|
| 1 | First Fuel Pressure Gage Reading |
| 2 | Second Fuel Pressure Gage Reading |
Fuel Injector Balance Test Example (Typical)
| Cylinder | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1st Reading | 360 kPa (52 psi) | 360 kPa (52 psi) | 360 kPa (52 psi) | 360 kPa (52 psi) |
| 2nd Reading | 155 kPa (22 psi) | 111 kPa (16 psi) | 155 kPa (22 psi) | 249 kPa (36 psi) |
| Amount of Drop | 205 kPa (30 psi) | 249 kPa (36 psi) | 205 kPa (30 psi) | 151 kPa (22 psi) |
| Average Range: 156-176 kPa (22.5-25.5 psi) | Injector OK | Replace fuel injector - too much fuel pressure drop | Injector OK | Replace fuel injector - too little fuel pressure drop |