Fuel Injector Balance Test with Special Tool: Notes
Courtesy of GENERAL MOTORS CORP.
| Callout |
Component Name |
| 1 |
First Reading |
| 2 |
Second Reading |
Injector Balance Test Example
| Cylinder |
1 |
2 |
3 |
4 |
5 |
6 |
| 1st Reading |
280 kPa (41 psi) |
280 kPa (41 psi) |
280 kPa (41 psi) |
280 kPa (41 psi) |
280 kPa (41 psi) |
280 kPa (41 psi) |
| 2nd Reading |
195 kPa (28 psi) |
170 kPa (25 psi) |
195 kPa (28 psi) |
200 kPa (29 psi) |
195 kPa (28 psi) |
215 kPa (31 psi) |
| Amount of Drop |
85 kPa (13 psi) |
110 kPa (16 psi) |
85 kPa (13 psi) |
85 kPa (13 psi) |
85 kPa (13 psi) |
65 kPa (10 psi) |
| Average Range: 75-95 kPa (11-14 psi) |
Injector OK |
Faulty injector - too much fuel drop |
Injector OK |
Injector OK |
Injector OK |
Faulty injector - too little fuel drop |