Checking return flow rate of injectors |
Note t
| Leaky regulating valves in injectors may lead to irregular
engine running or may prevent engine from starting. |
t
| To check regulating valves for soiling (and with it higher
leakage), in addition to the "classical" return quantity measurement,
checking with vacuum is also possible. |
t
| Observe instructions for working on fuel system → Chapter. |
Measure during engine start with starting speed
≥ 230revs/min. |
»Carry out the following work sequence« |
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