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no power to the injectors 200 1984

uid 27's pic
posted by  Art Benstein on  Sun Aug 1 17:14 CST 2004
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last visit: Fri Oct 17 20:10 CST 2014
[RELATED]

Did the plug fall off the ECU? Right side of passenger's feet. Having strong fuel pressure kinda eliminates fuse 13 and the 25A fuse under the hood. You can double check the voltage on the injectors yellow/red - referenced to ground should have +12 when cranking. That comes from the same source that runs both fuel pumps and the idle air valve. The ECU supplies momentary grounds to the green/white injector wires to open them. The ECU gets power through a separate "system" relay, which also powers the orange wire to the AMM-- easier to get at with your meter probe.
--
Art Benstein near Baltimore






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