Yugo Workshop Manuals
Yugo L4-1300cc 1.3L (1991)
Powertrain Management > Fuel Delivery and Air Induction > Fuel Injector > Component Information > Description and Operation > Page 637
Fig. 9 ECU Injection Signal
If test steps 1a through c of this procedure prove good, and malfunction still exists, proceed as follows:
a. Connect a suitable oscilloscope to one fuel injector. Signal should be as shown in Fig. 9.
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