what would cause injectors to not get electrical signal to open the injector

1988 HONDA CIVIC
180 MILES
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LBURLESON72
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we have tested the main relay and fuel pump and all is good
May 5, 2012 at 9:34 AM
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WRENCHTECH
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What is it lacking, power or pulsing ground?
May 5, 2012 at 9:52 AM
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LBURLESON72
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pulsing ground.
May 5, 2012 at 10:01 AM
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WRENCHTECH
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Does it have spark?
Does it have power to the injector with the key on?
Does the check engine light come on for bulb check when the key is turned on?
May 5, 2012 at 10:03 AM
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LBURLESON72
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yes it has spark. not sure if there is pwr to injector wen key is on and the ck engine lite only comes on when key is turned on only.
May 5, 2012 at 10:09 AM
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WRENCHTECH
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Test for power arriving at the injectors with the key on.
May 5, 2012 at 10:10 AM
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LBURLESON72
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ok so what if there ISNT no pwr to injectors wen key is on? and what if there IS power then what?
May 5, 2012 at 10:14 AM
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WRENCHTECH
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Test it and we go from there.
May 5, 2012 at 10:32 AM
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