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

Tiny
LBURLESON72
  • MEMBER
  • 1988 HONDA CIVIC
  • 180 MILES
We have tested the main relay and fuel pump and all is good
Saturday, May 5th, 2012 AT 9:34 AM

7 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
What is it lacking, power or pulsing ground?
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Saturday, May 5th, 2012 AT 9:52 AM
Tiny
LBURLESON72
  • MEMBER
  • 8 POSTS
Pulsing ground.
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Saturday, May 5th, 2012 AT 10:01 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
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?
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Saturday, May 5th, 2012 AT 10:03 AM
Tiny
LBURLESON72
  • MEMBER
  • 8 POSTS
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.
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Saturday, May 5th, 2012 AT 10:09 AM
Tiny
WRENCHTECH
  • MECHANIC
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Test for power arriving at the injectors with the key on.
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Saturday, May 5th, 2012 AT 10:10 AM
Tiny
LBURLESON72
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  • 8 POSTS
Ok so what if there ISNT no pwr to injectors wen key is on? And what if there IS power then what?
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Saturday, May 5th, 2012 AT 10:14 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Test it and we go from there.
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Saturday, May 5th, 2012 AT 10:32 AM

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